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Sphärische Linse BK7 Plankonkav IR-beschichtet 750–1550 nm

SLB-N-IR2

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Sphärische Linse BK7 Plankonkav IR-beschichtet 750–1550 nm
Nicht lieferbar
SKU
SLB-N-IR2
Diese einfachen Negativlinsen haben viele Verwendungsmöglichkeiten. Allein bilden sie ein virtuelles Bild eines entfernten Objekts
oder einer kollimierten Lichtquelle. In Kombination mit anderen Optiken reduzieren sie die Leistung des
Systems. Scharfe Kanten, die bei Negativlinsen üblich sind, werden durch Abschrägen entfernt, um
die Wahrscheinlichkeit von Absplitterungen zu verringern.
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details
SLB-50.8-300NIR2
50.8mm 300mm
6-12 weeks
96,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50.8mm
Focal length f −300mm
Edge thickness te 5.1mm
Center thickness tc 3mm
Back focal length fb −302.0mm
Radius of curvature r 155.7mm
Centration ＜1′
details
SLB-20-90NIR2
20mm 90mm
6-12 weeks
54,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ20mm
Focal length f −90mm
Edge thickness te 3.1mm
Center thickness tc 2mm
Back focal length fb −91.3mm
Radius of curvature r 46.71mm
Centration ＜1′
details
SLB-30-80NIR2
30mm 80mm
6-12 weeks
70,00 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ30mm
Focal length f −80mm
Edge thickness te 4.8mm
Center thickness tc 2mm
Back focal length fb −81.3mm
Radius of curvature r 41.52mm
Centration ＜1′
details
SLB-10-25NIR2
10mm 25mm
6-12 weeks
51,50 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ10mm
Focal length f −25mm
Edge thickness te 3mm
Center thickness tc 2mm
Back focal length fb −26.3mm
Radius of curvature r 12.98mm
Centration ＜1′
details
SLB-20-150NIR2
20mm 150mm
6-12 weeks
54,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ20mm
Focal length f −150mm
Edge thickness te 2.6mm
Center thickness tc 2mm
Back focal length fb −151.3mm
Radius of curvature r 77.85mm
Centration ＜1′
details
SLB-30-120NIR2
30mm 120mm
6-12 weeks
68,10 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ30mm
Focal length f −120mm
Edge thickness te 3.8mm
Center thickness tc 2mm
Back focal length fb −121.3mm
Radius of curvature r 62.28mm
Centration ＜1′
details
SLB-30-200NIR2
30mm 200mm
6-12 weeks
68,10 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ30mm
Focal length f −200mm
Edge thickness te 3.1mm
Center thickness tc 2mm
Back focal length fb −201.3mm
Radius of curvature r 103.8mm
Centration ＜1′
details
SLB-10-50NIR2
10mm 50mm
6-12 weeks
49,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ10mm
Focal length f −50mm
Edge thickness te 2.5mm
Center thickness tc 2mm
Back focal length fb −51.3mm
Radius of curvature r 25.95mm
Centration ＜1′
details
SLB-25-40NIR2
25mm 40mm
6-12 weeks
69,00 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25mm
Focal length f −40mm
Edge thickness te 6.2mm
Center thickness tc 2mm
Back focal length fb −41.3mm
Radius of curvature r 20.76mm
Centration ＜1′
details
SLB-40-50NIR2
40mm 50mm
6-12 weeks
95,50 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ40mm
Focal length f −50mm
Edge thickness te 11.4mm
Center thickness tc 2mm
Back focal length fb −51.3mm
Radius of curvature r 25.95mm
Centration ＜1′
details
SLB-10-80NIR2
10mm 80mm
6-12 weeks
49,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ10mm
Focal length f −80mm
Edge thickness te 2.3mm
Center thickness tc 2mm
Back focal length fb −81.3mm
Radius of curvature r 41.52mm
Centration ＜1′
details
SLB-25-70NIR2
25mm 70mm
6-12 weeks
66,20 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25mm
Focal length f −70mm
Edge thickness te 4.2mm
Center thickness tc 2mm
Back focal length fb −71.3mm
Radius of curvature r 36.33mm
Centration ＜1′
details
SLB-40-80NIR2
40mm 80mm
6-12 weeks
91,80 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ40mm
Focal length f −80mm
Edge thickness te 7.1mm
Center thickness tc 2mm
Back focal length fb −81.3mm
Radius of curvature r 41.52mm
Centration ＜1′
details
SLB-12.7-15NIR2
12.7mm 15mm
6-12 weeks
54,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ12.7mm
Focal length f −15mm
Edge thickness te 5.3mm
Center thickness tc 2mm
Back focal length fb −16.3mm
Radius of curvature r 7.79mm
Centration ＜1′
details
SLB-25-100NIR2
25mm 100mm
in stock
64,30 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25mm
Focal length f −100mm
Edge thickness te 3.5mm
Center thickness tc 2mm
Back focal length fb −101.3mm
Radius of curvature r 51.9mm
Centration ＜1′
details
SLB-50-80NIR2
50mm 80mm
6-12 weeks
103,90 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50mm
Focal length f −80mm
Edge thickness te 11.4mm
Center thickness tc 3mm
Back focal length fb −82.0mm
Radius of curvature r 41.52mm
Centration ＜1′
details
SLB-12.7-30NIR2
12.7mm 30mm
6-12 weeks
49,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ12.7mm
Focal length f −30mm
Edge thickness te 3.4mm
Center thickness tc 2mm
Back focal length fb −31.3mm
Radius of curvature r 15.57mm
Centration ＜1′
details
SLB-25-170NIR2
25mm 170mm
6-12 weeks
64,30 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25mm
Focal length f −170mm
Edge thickness te 3mm
Center thickness tc 2mm
Back focal length fb −171.3mm
Radius of curvature r 88.23mm
Centration ＜1′
details
SLB-50-120NIR2
50mm 120mm
1 week
98,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50mm
Focal length f −120mm
Edge thickness te 8.2mm
Center thickness tc 3mm
Back focal length fb −122.0mm
Radius of curvature r 62.28mm
Centration ＜1′
details
SLB-15-30NIR2
15mm 30mm
6-12 weeks
53,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ15mm
Focal length f −30mm
Edge thickness te 3.9mm
Center thickness tc 2mm
Back focal length fb −31.3mm
Radius of curvature r 15.57mm
Centration ＜1′
details
SLB-25.4-40NIR2
25.4mm 40mm
6-12 weeks
69,00 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25.4mm
Focal length f −40mm
Edge thickness te 6.3mm
Center thickness tc 2mm
Back focal length fb −41.3mm
Radius of curvature r 20.76mm
Centration ＜1′
details
SLB-50-200NIR2
50mm 200mm
6-12 weeks
96,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50mm
Focal length f −200mm
Edge thickness te 6.1mm
Center thickness tc 3mm
Back focal length fb −202.0mm
Radius of curvature r 103.8mm
Centration ＜1′
details
SLB-15-60NIR2
15mm 60mm
6-12 weeks
52,50 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ15mm
Focal length f −60mm
Edge thickness te 2.9mm
Center thickness tc 2mm
Back focal length fb −61.3mm
Radius of curvature r 31.14mm
Centration ＜1′
details
SLB-25.4-70NIR2
25.4mm 70mm
6-12 weeks
66,20 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25.4mm
Focal length f −70mm
Edge thickness te 4.3mm
Center thickness tc 2mm
Back focal length fb −71.3mm
Radius of curvature r 36.33mm
Centration ＜1′
details
SLB-50-300NIR2
50mm 300mm
6-12 weeks
96,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50mm
Focal length f −300mm
Edge thickness te 5mm
Center thickness tc 3mm
Back focal length fb −302.0mm
Radius of curvature r 155.7mm
Centration ＜1′
details
SLB-15-100NIR2
15mm 100mm
1 week
52,50 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ15mm
Focal length f −100mm
Edge thickness te 2.5mm
Center thickness tc 2mm
Back focal length fb −101.3mm
Radius of curvature r 51.9mm
Centration ＜1′
details
SLB-25.4-100NIR2
25.4mm 100mm
6-12 weeks
64,30 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25.4mm
Focal length f −100mm
Edge thickness te 3.6mm
Center thickness tc 2mm
Back focal length fb −101.3mm
Radius of curvature r 51.9mm
Centration ＜1′
details
SLB-50.8-90NIR2
50.8mm 90mm
1 week
102,00 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50.8mm
Focal length f −90mm
Edge thickness te 10.5mm
Center thickness tc 3mm
Back focal length fb −92.0mm
Radius of curvature r 46.71mm
Centration ＜1′
details
SLB-20-40NIR2
20mm 40mm
6-12 weeks
54,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ20mm
Focal length f −40mm
Edge thickness te 4.6mm
Center thickness tc 2mm
Back focal length fb −41.3mm
Radius of curvature r 20.76mm
Centration ＜1′
details
SLB-30-35NIR2
30mm 35mm
6-12 weeks
77,30 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ30mm
Focal length f −35mm
Edge thickness te 9.9mm
Center thickness tc 2mm
Back focal length fb −36.3mm
Radius of curvature r 18.17mm
Centration ＜1′
details
SLB-50.8-200NIR2
50.8mm 200mm
6-12 weeks
96,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50.8mm
Focal length f −200mm
Edge thickness te 6.2mm
Center thickness tc 3mm
Back focal length fb −202.0mm
Radius of curvature r 103.8mm
Centration ＜1′
details
SLB-20-70NIR2
20mm 70mm
6-12 weeks
54,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ20mm
Focal length f −70mm
Edge thickness te 3.4mm
Center thickness tc 2mm
Back focal length fb −71.3mm
Radius of curvature r 36.33mm
Centration ＜1′
details
SLB-30-60NIR2
30mm 60mm
6-12 weeks
73,40 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ30mm
Focal length f −60mm
Edge thickness te 5.9mm
Center thickness tc 2mm
Back focal length fb −61.3mm
Radius of curvature r 31.14mm
Centration ＜1′
details
SLB-10-15NIR2
10mm 15mm
6-12 weeks
54,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ10mm
Focal length f −15mm
Edge thickness te 3.8mm
Center thickness tc 2mm
Back focal length fb −16.3mm
Radius of curvature r 7.79mm
Centration ＜1′
details
SLB-20-100NIR2
20mm 100mm
6-12 weeks
54,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ20mm
Focal length f −100mm
Edge thickness te 3mm
Center thickness tc 2mm
Back focal length fb −101.3mm
Radius of curvature r 51.9mm
Centration ＜1′
details
SLB-30-90NIR2
30mm 90mm
1 week
68,10 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ30mm
Focal length f −90mm
Edge thickness te 4.5mm
Center thickness tc 2mm
Back focal length fb −91.3mm
Radius of curvature r 46.71mm
Centration ＜1′
details
SLB-30-150NIR2
30mm 150mm
6-12 weeks
68,10 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ30mm
Focal length f −150mm
Edge thickness te 3.5mm
Center thickness tc 2mm
Back focal length fb −151.3mm
Radius of curvature r 77.85mm
Centration ＜1′
details
SLB-10-30NIR2
10mm 30mm
6-12 weeks
49,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ10mm
Focal length f −30mm
Edge thickness te 2.8mm
Center thickness tc 2mm
Back focal length fb −31.3mm
Radius of curvature r 15.57mm
Centration ＜1′
details
SLB-25-30NIR2
25mm 30mm
6-12 weeks
70,00 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25mm
Focal length f −30mm
Edge thickness te 8.3mm
Center thickness tc 2mm
Back focal length fb −31.3mm
Radius of curvature r 15.57mm
Centration ＜1′
details
SLB-30-220NIR2
30mm 220mm
6-12 weeks
68,10 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ30mm
Focal length f −220mm
Edge thickness te 3mm
Center thickness tc 2mm
Back focal length fb −221.3mm
Radius of curvature r 114.18mm
Centration ＜1′
details
SLB-10-60NIR2
10mm 60mm
6-12 weeks
49,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ10mm
Focal length f −60mm
Edge thickness te 2.4mm
Center thickness tc 2mm
Back focal length fb −61.3mm
Radius of curvature r 31.14mm
Centration ＜1′
details
SLB-25-50NIR2
25mm 50mm
6-12 weeks
68,10 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25mm
Focal length f −50mm
Edge thickness te 5.2mm
Center thickness tc 2mm
Back focal length fb −51.3mm
Radius of curvature r 25.95mm
Centration ＜1′
details
SLB-40-60NIR2
40mm 60mm
6-12 weeks
94,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ40mm
Focal length f −60mm
Edge thickness te 9.3mm
Center thickness tc 2mm
Back focal length fb −61.3mm
Radius of curvature r 31.14mm
Centration ＜1′
details
SLB-10-90NIR2
10mm 90mm
1 week
49,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ10mm
Focal length f −90mm
Edge thickness te 2.3mm
Center thickness tc 2mm
Back focal length fb −91.3mm
Radius of curvature r 46.71mm
Centration ＜1′
details
SLB-25-80NIR2
25mm 80mm
6-12 weeks
65,20 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25mm
Focal length f −80mm
Edge thickness te 3.9mm
Center thickness tc 2mm
Back focal length fb −81.3mm
Radius of curvature r 41.52mm
Centration ＜1′
details
SLB-40-100NIR2
40mm 100mm
6-12 weeks
88,40 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ40mm
Focal length f −100mm
Edge thickness te 6mm
Center thickness tc 2mm
Back focal length fb −101.3mm
Radius of curvature r 51.9mm
Centration ＜1′
details
SLB-12.7-20NIR2
12.7mm 20mm
6-12 weeks
53,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ12.7mm
Focal length f −20mm
Edge thickness te 4.2mm
Center thickness tc 2mm
Back focal length fb −21.3mm
Radius of curvature r 10.38mm
Centration ＜1′
details
SLB-25-120NIR2
25mm 120mm
6-12 weeks
64,30 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25mm
Focal length f −120mm
Edge thickness te 3.3mm
Center thickness tc 2mm
Back focal length fb −121.3mm
Radius of curvature r 62.28mm
Centration ＜1′
details
SLB-50-90NIR2
50mm 90mm
6-12 weeks
102,00 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50mm
Focal length f −90mm
Edge thickness te 10.3mm
Center thickness tc 3mm
Back focal length fb −92.0mm
Radius of curvature r 46.71mm
Centration ＜1′
details
SLB-15-20NIR2
15mm 20mm
1 week
54,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ15mm
Focal length f −20mm
Edge thickness te 5.2mm
Center thickness tc 2mm
Back focal length fb −21.3mm
Radius of curvature r 10.38mm
Centration ＜1′
details
SLB-25-200NIR2
25mm 200mm
6-12 weeks
64,30 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25mm
Focal length f −200mm
Edge thickness te 2.8mm
Center thickness tc 2mm
Back focal length fb −201.3mm
Radius of curvature r 103.8mm
Centration ＜1′
details
SLB-50-150NIR2
50mm 150mm
6-12 weeks
96,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50mm
Focal length f −150mm
Edge thickness te 7.1mm
Center thickness tc 3mm
Back focal length fb −152.0mm
Radius of curvature r 77.85mm
Centration ＜1′
details
SLB-15-40NIR2
15mm 40mm
6-12 weeks
52,50 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ15mm
Focal length f −40mm
Edge thickness te 3.4mm
Center thickness tc 2mm
Back focal length fb −41.3mm
Radius of curvature r 20.76mm
Centration ＜1′
details
SLB-25.4-50NIR2
25.4mm 50mm
6-12 weeks
68,10 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25.4mm
Focal length f −50mm
Edge thickness te 5.3mm
Center thickness tc 2mm
Back focal length fb −51.3mm
Radius of curvature r 25.95mm
Centration ＜1′
details
SLB-50-220NIR2
50mm 220mm
1 week
96,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50mm
Focal length f −220mm
Edge thickness te 5.8mm
Center thickness tc 3mm
Back focal length fb −222.0mm
Radius of curvature r 114.18mm
Centration ＜1′
details
SLB-15-70NIR2
15mm 70mm
6-12 weeks
52,50 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ15mm
Focal length f −70mm
Edge thickness te 2.8mm
Center thickness tc 2mm
Back focal length fb −71.3mm
Radius of curvature r 36.33mm
Centration ＜1′
details
SLB-25.4-80NIR2
25.4mm 80mm
6-12 weeks
65,20 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25.4mm
Focal length f −80mm
Edge thickness te 4mm
Center thickness tc 2mm
Back focal length fb −81.3mm
Radius of curvature r 41.52mm
Centration ＜1′
details
SLB-50.8-70NIR2
50.8mm 70mm
6-12 weeks
105,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50.8mm
Focal length f −70mm
Edge thickness te 13.4mm
Center thickness tc 3mm
Back focal length fb −72.0mm
Radius of curvature r 36.33mm
Centration ＜1′
details
SLB-20-25NIR2
20mm 25mm
6-12 weeks
54,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ20mm
Focal length f −25mm
Edge thickness te 6.7mm
Center thickness tc 2mm
Back focal length fb −26.3mm
Radius of curvature r 12.98mm
Centration ＜1′
details
SLB-25.4-150NIR2
25.4mm 150mm
6-12 weeks
64,30 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25.4mm
Focal length f −150mm
Edge thickness te 3mm
Center thickness tc 2mm
Back focal length fb −151.3mm
Radius of curvature r 77.85mm
Centration ＜1′
details
SLB-50.8-100NIR2
50.8mm 100mm
6-12 weeks
100,50 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50.8mm
Focal length f −100mm
Edge thickness te 9.6mm
Center thickness tc 3mm
Back focal length fb −102.0mm
Radius of curvature r 51.9mm
Centration ＜1′
details
SLB-20-50NIR2
20mm 50mm
1 week
54,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ20mm
Focal length f −50mm
Edge thickness te 4mm
Center thickness tc 2mm
Back focal length fb −51.3mm
Radius of curvature r 25.95mm
Centration ＜1′
details
SLB-30-40NIR2
30mm 40mm
1 week
76,20 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ30mm
Focal length f −40mm
Edge thickness te 8.4mm
Center thickness tc 2mm
Back focal length fb −41.3mm
Radius of curvature r 20.76mm
Centration ＜1′
details
SLB-50.8-250NIR2
50.8mm 250mm
6-12 weeks
96,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50.8mm
Focal length f −250mm
Edge thickness te 5.5mm
Center thickness tc 3mm
Back focal length fb −252.0mm
Radius of curvature r 129.75mm
Centration ＜1′
details
SLB-20-80NIR2
20mm 80mm
6-12 weeks
54,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ20mm
Focal length f −80mm
Edge thickness te 3.2mm
Center thickness tc 2mm
Back focal length fb −81.3mm
Radius of curvature r 41.52mm
Centration ＜1′
details
SLB-30-70NIR2
30mm 70mm
6-12 weeks
71,80 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ30mm
Focal length f −70mm
Edge thickness te 5.2mm
Center thickness tc 2mm
Back focal length fb −71.3mm
Radius of curvature r 36.33mm
Centration ＜1′
details
SLB-10-20NIR2
10mm 20mm
6-12 weeks
53,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ10mm
Focal length f −20mm
Edge thickness te 3.3mm
Center thickness tc 2mm
Back focal length fb −21.3mm
Radius of curvature r 10.38mm
Centration ＜1′
details
SLB-20-120NIR2
20mm 120mm
6-12 weeks
54,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ20mm
Focal length f −120mm
Edge thickness te 2.8mm
Center thickness tc 2mm
Back focal length fb −121.3mm
Radius of curvature r 62.28mm
Centration ＜1′
details
SLB-30-100NIR2
30mm 100mm
1 week
68,10 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ30mm
Focal length f −100mm
Edge thickness te 4.2mm
Center thickness tc 2mm
Back focal length fb −101.3mm
Radius of curvature r 51.9mm
Centration ＜1′
details
SLB-30-170NIR2
30mm 170mm
6-12 weeks
68,10 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ30mm
Focal length f −170mm
Edge thickness te 3.3mm
Center thickness tc 2mm
Back focal length fb −171.3mm
Radius of curvature r 88.23mm
Centration ＜1′
details
SLB-10-40NIR2
10mm 40mm
6-12 weeks
49,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ10mm
Focal length f −40mm
Edge thickness te 2.6mm
Center thickness tc 2mm
Back focal length fb −41.3mm
Radius of curvature r 20.76mm
Centration ＜1′
details
SLB-25-35NIR2
25mm 35mm
6-12 weeks
69,00 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25mm
Focal length f −35mm
Edge thickness te 7mm
Center thickness tc 2mm
Back focal length fb −36.3mm
Radius of curvature r 18.17mm
Centration ＜1′
details
SLB-30-250NIR2
30mm 250mm
6-12 weeks
68,10 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ30mm
Focal length f −250mm
Edge thickness te 2.9mm
Center thickness tc 2mm
Back focal length fb −251.3mm
Radius of curvature r 129.75mm
Centration ＜1′
details
SLB-10-70NIR2
10mm 70mm
6-12 weeks
49,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ10mm
Focal length f −70mm
Edge thickness te 2.3mm
Center thickness tc 2mm
Back focal length fb −71.3mm
Radius of curvature r 36.33mm
Centration ＜1′
details
SLB-25-60NIR2
25mm 60mm
6-12 weeks
67,10 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25mm
Focal length f −60mm
Edge thickness te 4.6mm
Center thickness tc 2mm
Back focal length fb −61.3mm
Radius of curvature r 31.14mm
Centration ＜1′
details
SLB-40-70NIR2
40mm 70mm
6-12 weeks
93,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ40mm
Focal length f −70mm
Edge thickness te 8mm
Center thickness tc 2mm
Back focal length fb −71.3mm
Radius of curvature r 36.33mm
Centration ＜1′
details
SLB-10-100NIR2
10mm 100mm
6-12 weeks
49,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ10mm
Focal length f −100mm
Edge thickness te 2.2mm
Center thickness tc 2mm
Back focal length fb −101.3mm
Radius of curvature r 51.9mm
Centration ＜1′
details
SLB-25-90NIR2
25mm 90mm
6-12 weeks
67,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25mm
Focal length f −90mm
Edge thickness te 3.7mm
Center thickness tc 2mm
Back focal length fb −91.3mm
Radius of curvature r 46.71mm
Centration ＜1′
details
SLB-50-70NIR2
50mm 70mm
6-12 weeks
105,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50mm
Focal length f −70mm
Edge thickness te 13mm
Center thickness tc 3mm
Back focal length fb −72.0mm
Radius of curvature r 36.33mm
Centration ＜1′
details
SLB-12.7-25NIR2
12.7mm 25mm
in stock
52,50 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ12.7mm
Focal length f −25mm
Edge thickness te 3.7mm
Center thickness tc 2mm
Back focal length fb −26.3mm
Radius of curvature r 12.98mm
Centration ＜1′
details
SLB-25-150NIR2
25mm 150mm
6-12 weeks
64,30 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25mm
Focal length f −150mm
Edge thickness te 3mm
Center thickness tc 2mm
Back focal length fb −151.3mm
Radius of curvature r 77.85mm
Centration ＜1′
details
SLB-50-100NIR2
50mm 100mm
6-12 weeks
100,50 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50mm
Focal length f −100mm
Edge thickness te 9.4mm
Center thickness tc 3mm
Back focal length fb −102.0mm
Radius of curvature r 51.9mm
Centration ＜1′
details
SLB-15-25NIR2
15mm 25mm
6-12 weeks
54,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ15mm
Focal length f −25mm
Edge thickness te 4.4mm
Center thickness tc 2mm
Back focal length fb −26.3mm
Radius of curvature r 12.98mm
Centration ＜1′
details
SLB-25.4-30NIR2
25.4mm 30mm
6-12 weeks
70,00 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25.4mm
Focal length f −30mm
Edge thickness te 8.6mm
Center thickness tc 2mm
Back focal length fb −31.3mm
Radius of curvature r 15.57mm
Centration ＜1′
details
SLB-50-170NIR2
50mm 170mm
6-12 weeks
96,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50mm
Focal length f −170mm
Edge thickness te 6.6mm
Center thickness tc 3mm
Back focal length fb −172.0mm
Radius of curvature r 88.23mm
Centration ＜1′
details
SLB-15-50NIR2
15mm 50mm
6-12 weeks
52,50 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ15mm
Focal length f −50mm
Edge thickness te 3.1mm
Center thickness tc 2mm
Back focal length fb −51.3mm
Radius of curvature r 25.95mm
Centration ＜1′
details
SLB-25.4-60NIR2
25.4mm 60mm
6-12 weeks
67,10 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25.4mm
Focal length f −60mm
Edge thickness te 4.7mm
Center thickness tc 2mm
Back focal length fb −61.3mm
Radius of curvature r 31.14mm
Centration ＜1′
details
SLB-50-250NIR2
50mm 250mm
6-12 weeks
96,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50mm
Focal length f −250mm
Edge thickness te 5.4mm
Center thickness tc 3mm
Back focal length fb −252.0mm
Radius of curvature r 129.75mm
Centration ＜1′
details
SLB-15-80NIR2
15mm 80mm
6-12 weeks
52,50 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ15mm
Focal length f −80mm
Edge thickness te 2.7mm
Center thickness tc 2mm
Back focal length fb −81.3mm
Radius of curvature r 41.52mm
Centration ＜1′
details
SLB-25.4-90NIR2
25.4mm 90mm
6-12 weeks
64,30 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25.4mm
Focal length f −90mm
Edge thickness te 3.8mm
Center thickness tc 2mm
Back focal length fb −91.3mm
Radius of curvature r 46.71mm
Centration ＜1′
details
SLB-50.8-80NIR2
50.8mm 80mm
6-12 weeks
103,90 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50.8mm
Focal length f −80mm
Edge thickness te 11.7mm
Center thickness tc 3mm
Back focal length fb −82.0mm
Radius of curvature r 41.52mm
Centration ＜1′
details
SLB-20-30NIR2
20mm 30mm
6-12 weeks
54,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ20mm
Focal length f −30mm
Edge thickness te 5.6mm
Center thickness tc 2mm
Back focal length fb −31.3mm
Radius of curvature r 15.57mm
Centration ＜1′
details
SLB-25.4-200NIR2
25.4mm 200mm
6-12 weeks
64,30 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ25.4mm
Focal length f −200mm
Edge thickness te 2.8mm
Center thickness tc 2mm
Back focal length fb −201.3mm
Radius of curvature r 103.8mm
Centration ＜1′
details
SLB-50.8-150NIR2
50.8mm 150mm
6-12 weeks
96,70 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ50.8mm
Focal length f −150mm
Edge thickness te 7.3mm
Center thickness tc 3mm
Back focal length fb −152.0mm
Radius of curvature r 77.85mm
Centration ＜1′
details
SLB-20-60NIR2
20mm 60mm
6-12 weeks
54,60 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ20mm
Focal length f −60mm
Edge thickness te 3.6mm
Center thickness tc 2mm
Back focal length fb −61.3mm
Radius of curvature r 31.14mm
Centration ＜1′
details
SLB-30-50NIR2
30mm 50mm
6-12 weeks
75,20 €
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (750 - 1550nm)
Transmmittance > Average 98.5%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 750 - 1550nm
Diameter φD φ30mm
Focal length f −50mm
Edge thickness te 6.8mm
Center thickness tc 2mm
Back focal length fb −51.3mm
Radius of curvature r 25.95mm
Centration ＜1′

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Diese einfachen Negativlinsen haben viele Verwendungsmöglichkeiten. Allein bilden sie ein virtuelles Bild eines entfernten Objekts
oder einer kollimierten Lichtquelle. In Kombination mit anderen Optiken reduzieren sie die Leistung des
Systems. Scharfe Kanten, die bei negativen Linsen üblich sind, werden durch Abschrägen entfernt, um
die Wahrscheinlichkeit von Abplatzungen zu verringern.