Plano Convex Lens 12.7mm Diameter 70mm Focal Length 400 - 700nm

SLB-12.7-70PM

These are simple lenses having a flat surface on one side and a spherical surface on the other. They are also very close to the form which minimizes spherical aberration for infinite conjugate applications. Our glass lenses are made from the highest grade of optical glass. We have a vast range of different diameters and focal lengths. The lenses listed here are standards. Please call if you do not see the lens you need. We have both larger and smaller lenses and many other diameters to choose from. However, we do try to keep these standards available for quick delivery.
◦There are three types of plano convex lenses available; BK7 for use in visible range to infrared wavelength range.
◦BK7 lenses are also available with three types of anti-reflection coatings, visible wavelength range, in the near-infrared range and in the infrared range.
◦Our lenses are listed by outside diameter and focal length to assist your selection according to required specifications.
More Information
Name Plano Convex Lens 12.7mm Diameter 70mm Focal Length 400 - 700nm
Weight 0.0500kgs
Standard Coatings Available No
Guide
  • Lenses are available in a large selection and in custom sizes and focal lengths.
  • In addition to our standard coating we offer custom anti-reflective coating at specific wavelengths.
  • Achromatic lenses (DLB) which are chromatic aberration correction are also available.
  • WEB Reference Catalog Code/W3075
Remark -
Attention
  • Plano convex lenses have a positive focal length and can be used in focusing and collimating applications.
  • The plano convex lens has chromatic aberration, and the focal length will vary depending on the wavelength. Please check the “wavelength characteristic of the focal length data” on “Technical Data” for the focal lengths of each wavelength.
  • Transmissions losses due to reflection off the front and rear surfaces of the lens can be minimized by coating the surfaces. Consult our Sales Division for anti-reflection coatings suitable for your application.
Diameter φD 12.7mm
Focal length 70mm
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (400 - 700nm)
Transmmittance > Average 99%
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture φD≧φ10mm ; 85% of the diameter
φD<φ10mm ; 83% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating 400 - 700nm
Diameter φD φ12.7mm
Focal length f 70mm
Edge thickness te 2mm
Center thickness tc 2.6mm
Back focal length fb 68.3mm
Radius of curvature r 36.33mm
Centration <1′
Availability Please contact
In stock
SKU
SLB-12.7-70PM
$46.00

Delivery in : in stock

These are simple lenses having a flat surface on one side and a spherical surface on the other. They are also very close to the form which minimizes spherical aberration for infinite conjugate applications. Our glass lenses are made from the highest grade of optical glass. We have a vast range of different diameters and focal lengths. The lenses listed here are standards. Please call if you do not see the lens you need. We have both larger and smaller lenses and many other diameters to choose from. However, we do try to keep these standards available for quick delivery.

Resources & Downloads