Packaging: carton package

Productivity: 10000pcs/month

Brand: Haisheng

Transportation: Ocean,Air

Place of Origin: China

Supply Ability: 10000pcs/month

Certificate: Iso9001

HS Code: 9001909090999

Port: Shanghai

Double Concave optical glass Lens

Product description:

Double concave glass lens

Double concave lens is the most common form of Negative lens. Negative lens is most suited to producing diverging light or a virtual image, where the input light is converging.

Material:	BK7, Fused Silica, SF10, CaF2, Sapphire .etc.
Paraxial Focal Length Tolerance:	±2%
Dimension Tolerance:	±0.2(General). ±0.05(High Precision)
Centration:	<3 arc min
IRR:	λ/4@633nm(General),λ/10@633nm(High Precision)
Clear Aperture:	>80%(Small Size), >95%(Large Size)
Surface Figure	<1.5λ@633nm(General),<λ/4@633nm(High Precision)
Surface Quality:	60/40(General),10/5(High Precision)
Bevel:	<0.25mm
Coating:	Uncoated, AR,PR, HR, etc.

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Product Categories : Optical Lens