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Sapphire Lens

Sapphire is a single crystal aluminum oxide (Al2O3). Its Mohs hardness is 9, it is one of the hardest materials. Sapphire has good mechanical strength, and it is also transparent from visible to IR spectrum. So, it is always used as window material where scratch resistance is required.


Specifications

Material

Optical Sapphire

Dimension Tolerance

+0/-0.1mm

Thickness Tolerance

±0.2mm

Surface Quality

60/40 or better

Power([email protected])

3

Irregularity([email protected])

0.5

Centration

<3 arc minutes

Focal Length Tolerance

±2%

Clear Aperture

>90%

Chamfer

Protective <0.5mmx45deg

Coating

Request




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