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Negative meniscus lens

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 support..

Negative meniscus lens

产品说明

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

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