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Precision concave lens SF6 LAK7 400-1100nm

Featured Product from MOK Optics Co., Ltd.

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Plano-concave lenses diverge a collimated beam from a virtual focus and are commonly used to balance out aberrations of other lenses in the system. 

 

The materials we process:

–  Optical glass – CDGM, SCHOTT, OHARA, HOYA

–  UV grade fused silica – JGS1, Corning 7980 etc.

–  IR grade fused silica – JGS3, Corning 7979 etc.

–  IR crystals – Germanium, Sapphire, MgF2, CaF2, ZnSe, ZnS etc.

 

Our capability:

 

Diameter Range:  3mm-250mm

Diameter tolerance:  ±0.02mm

Tc tolerance:  ±0.05mm

Clear aperture:  >90%

Surface quality:  10-5

Flatness:  λ/8@632.8nm

Centration:  30 seconds

Coating:  AR coating, HR coating, according to customer design