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The focal length of negative meniscus lens is negative and has negative power. 100 Optical company provided many kinds of negative meniscus lens which can be used to reduce the focal length of supporting lenses, increase the numerical aperture and reduce the spherical aberration.
Material | CDGM |
Diameter Tolerance: | 0,-0.2;0,-0.01(High Precision ) |
Paraxial Focal Length Tolerance | <2% |
Centration | <3 arc minutes |
Clear Aperture | >85% |
Surface Figure | 60/40 scratch/dig |
Bevel | <0.25mm x 45° |
Coating | According to customer requirements |
The focal length of negative meniscus lens is negative and has negative power. 100 Optical company provided many kinds of negative meniscus lens which can be used to reduce the focal length of supporting lenses, increase the numerical aperture and reduce the spherical aberration.
Material | CDGM |
Diameter Tolerance: | 0,-0.2;0,-0.01(High Precision ) |
Paraxial Focal Length Tolerance | <2% |
Centration | <3 arc minutes |
Clear Aperture | >85% |
Surface Figure | 60/40 scratch/dig |
Bevel | <0.25mm x 45° |
Coating | According to customer requirements |
