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Low cost Achromatic Lens

S-DLB

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Low cost Achromatic Lens
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SKU
S-DLB
An economic general use achromatic lens suitable for an optical system, which does not require high surface quality imaging such as a microscope lens or telescope lens.
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Diameter φD
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details
S-DLB-25-50PM
25mm 50.1mm
6-12 weeks
£63.15
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ25mm
Focal length f 50.1mm
Edge Thickness te 7.1mm
Center Thickness tc 10.9mm
Back focal length fb 44.9mm
details
S-DLB-25-120PM
25mm 119.8mm
6-12 weeks
£46.37
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ25mm
Focal length f 119.8mm
Edge Thickness te 5.6mm
Center Thickness tc 7.2mm
Back focal length fb 116.2mm
details
S-DLB-30-100PM
30mm 100.7mm
6-12 weeks
£50.64
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ30mm
Focal length f 100.7mm
Edge Thickness te 6.8mm
Center Thickness tc 9.5mm
Back focal length fb 96.0mm
details
S-DLB-30-200PM
30mm 200.2mm
6-12 weeks
£50.64
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ30mm
Focal length f 200.2mm
Edge Thickness te 6mm
Center Thickness tc 7.3mm
Back focal length fb 196.4mm
details
S-DLB-10-25PM
10mm 25.0mm
6-12 weeks
£37.93
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ10mm
Focal length f 25.0mm
Edge Thickness te 4.9mm
Center Thickness tc 6.1mm
Back focal length fb 22.1mm
details
S-DLB-10-100PM
10mm 100.5mm
6-12 weeks
£29.49
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ10mm
Focal length f 100.5mm
Edge Thickness te 4.2mm
Center Thickness tc 4.5mm
Back focal length fb 98.1mm
details
S-DLB-15-40PM
15mm 40.1mm
6-12 weeks
£46.37
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ15mm
Focal length f 40.1mm
Edge Thickness te 5.2mm
Center Thickness tc 6.9mm
Back focal length fb 36.5mm
details
S-DLB-15-100PM
15mm 100.0mm
6-12 weeks
£33.76
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ15mm
Focal length f 100.0mm
Edge Thickness te 4.5mm
Center Thickness tc 5.2mm
Back focal length fb 97.3mm
details
S-DLB-20-50PM
20mm 50.2mm
6-12 weeks
£54.71
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ20mm
Focal length f 50.2mm
Edge Thickness te 5.7mm
Center Thickness tc 8.1mm
Back focal length fb 46.0mm
details
S-DLB-20-80PM
20mm 79.9mm
1 week
£42.20
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ20mm
Focal length f 79.9mm
Edge Thickness te 5.1mm
Center Thickness tc 6.6mm
Back focal length fb 76.6mm
details
S-DLB-20-150PM
20mm 149.8mm
6-12 weeks
£37.93
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ20mm
Focal length f 149.8mm
Edge Thickness te 4.6mm
Center Thickness tc 5.4mm
Back focal length fb 147.0mm
details
S-DLB-25-70PM
25mm 69.9mm
6-12 weeks
£54.71
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ25mm
Focal length f 69.9mm
Edge Thickness te 6.3mm
Center Thickness tc 9mm
Back focal length fb 65.3mm
details
S-DLB-25-150PM
25mm 149.6mm
6-12 weeks
£46.37
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ25mm
Focal length f 149.6mm
Edge Thickness te 5.5mm
Center Thickness tc 6.7mm
Back focal length fb 146.2mm
details
S-DLB-30-120PM
30mm 120.1mm
6-12 weeks
£50.64
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ30mm
Focal length f 120.1mm
Edge Thickness te 6.6mm
Center Thickness tc 8.8mm
Back focal length fb 115.7mm
details
S-DLB-30-300PM
30mm 300.4mm
6-12 weeks
£50.64
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ30mm
Focal length f 300.4mm
Edge Thickness te 5.7mm
Center Thickness tc 6.6mm
Back focal length fb 296.9mm
details
S-DLB-10-40PM
10mm 40.0mm
6-12 weeks
£33.76
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ10mm
Focal length f 40.0mm
Edge Thickness te 4.6mm
Center Thickness tc 5.3mm
Back focal length fb 37.5mm
details
S-DLB-15-25PM
15mm 25.2mm
6-12 weeks
£54.71
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ15mm
Focal length f 25.2mm
Edge Thickness te 6mm
Center Thickness tc 8.8mm
Back focal length fb 20.7mm
details
S-DLB-15-50PM
15mm 50.1mm
6-12 weeks
£46.37
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ15mm
Focal length f 50.1mm
Edge Thickness te 5mm
Center Thickness tc 6.3mm
Back focal length fb 47.1mm
details
S-DLB-20-30PM
20mm 30.6mm
6-12 weeks
£63.15
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ20mm
Focal length f 30.6mm
Edge Thickness te 6.8mm
Center Thickness tc 10.9mm
Back focal length fb 24.9mm
details
S-DLB-20-60PM
20mm 60.2mm
6-12 weeks
£50.64
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ20mm
Focal length f 60.2mm
Edge Thickness te 5.4mm
Center Thickness tc 7.4mm
Back focal length fb 56.6mm
details
S-DLB-20-100PM
20mm −99.5mm
6-12 weeks
£37.93
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ20mm
Focal length f 99.5mm
Edge Thickness te 4.9mm
Center Thickness tc 6.1mm
Back focal length fb 96.4mm
details
S-DLB-20-200PM
20mm 200.1mm
6-12 weeks
£37.93
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ20mm
Focal length f 200.1mm
Edge Thickness te 4.5mm
Center Thickness tc 5.1mm
Back focal length fb 197.3mm
details
S-DLB-25-100PM
25mm 100.2mm
6-12 weeks
£46.37
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ25mm
Focal length f 100.2mm
Edge Thickness te 5.9mm
Center Thickness tc 7.7mm
Back focal length fb 96.5mm
details
S-DLB-30-60PM
30mm 60.3mm
6-12 weeks
£67.32
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ30mm
Focal length f 60.3mm
Edge Thickness te 8.1mm
Center Thickness tc 12.6mm
Back focal length fb 53.9mm
details
S-DLB-30-150PM
30mm 150.0mm
6-12 weeks
£50.64
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ30mm
Focal length f 150.0mm
Edge Thickness te 6.3mm
Center Thickness tc 8.1mm
Back focal length fb 146.0mm
details
S-DLB-10-20PM
10mm 20.0mm
6-12 weeks
£37.93
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ10mm
Focal length f 20.0mm
Edge Thickness te 5.1mm
Center Thickness tc 6.7mm
Back focal length fb 16.6mm
details
S-DLB-10-50PM
10mm 50.0mm
6-12 weeks
£31.43
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ10mm
Focal length f 50.0mm
Edge Thickness te 4.4mm
Center Thickness tc 5mm
Back focal length fb 47.5mm
details
S-DLB-15-30PM
15mm 30.1mm
6-12 weeks
£50.64
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ15mm
Focal length f 30.1mm
Edge Thickness te 5.7mm
Center Thickness tc 8mm
Back focal length fb 26.0mm
details
S-DLB-15-80PM
15mm 79.9mm
6-12 weeks
£37.93
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ15mm
Focal length f 79.9mm
Edge Thickness te 4.7mm
Center Thickness tc 5.5mm
Back focal length fb 77.1mm
details
S-DLB-20-40PM
20mm 40.1mm
6-12 weeks
£58.88
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ20mm
Focal length f 40.1mm
Edge Thickness te 6.2mm
Center Thickness tc 9.2mm
Back focal length fb 35.3mm
details
S-DLB-20-70PM
20mm 70.1mm
6-12 weeks
£46.37
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ20mm
Focal length f 70.1mm
Edge Thickness te 5.2mm
Center Thickness tc 6.9mm
Back focal length fb 66.7mm
details
S-DLB-20-120PM
20mm 120.3mm
6-12 weeks
£37.93
Material BK7, SF2
Design wavelength Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
Centration ＜3′
Coating Antireflection Coating for the Visible
Cement Ultraviolet Hardened Adhesive
Surface Quality (Scratch-Dig) 60-40
Clear aperture 90% of the diameter
Diameter φD φ20mm
Focal length f 120.3mm
Edge Thickness te 4.7mm
Center Thickness tc 5.7mm
Back focal length fb 117.3mm

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◦Specification except surface quality is almost the same as DLB series. Except when used in high-precision experiment using a laser, this lens is recommended.
◦It is optimized so that focal length gap is small in the visible light range and the aberration is minimized.