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    Optics and sensor system for civil or defense

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    Optics and sensors for police or military

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    We assist your engineering department with challenging projects

Half Ball Lenses

Spherical half ball lenses are widely used in optical measurement systems, projection & imaging optical systems.

Also for laser collimating and focusing, laser-to-fiber coupling, fiber-to-fiber coupling, and astronomical optics.


●Optical Measurement Systems
●Projection Optics System
●Imaging Optics Systems

Material BK7 grade A, B270, UV grade Fused Silica, Sapphire etc.
Diameter Tolerance ±0.05mm (Standard), up to +0.000/-0.002mm
Thickness Tolerance ±0.1mm (Standard), up to ±0.05mm
Sphericity ±0.005mm (Standard), up to ±0.6um
Surface Quality 60-40 S/D (Standard), up to 20-10 S/D
Coating none
BK7 Half Ball Lens Standard Products:
Part No. R (mm) φ (mm) T (mm)
1.0 2.0 1.0
2.0 4.0 2.0
3.0 6.0 3.0
4.0 8.0 4.0
Sapphire Half Ball Lens Standard Products:
Part No. R (mm) φ (mm) T (mm)
1.0 2.0 1.0
2.0 4.0 2.0
3.0 6.0 3.0


Other materials are available upon request.

Ball Crown, Sapphire Dome, Jewel Half Ball, Ruby Half Ball and Jewel Blind Holed Ball etc are also available upon request.

ATE-DENMARK is an OEM manufacturer, and we don have much standard products in stock.

So please contact us for your custom optics.

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