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Optical Lenses

Delfa has thousands of radius tooling for making any kinds of general spherical lenses with different sizes, radius and materials, such as plano-convex lenses, plano-concave lenses, biconvex lenses, biconcave lenses, meniscus lenses, ect. So our customers may benefit a lot from our big tools stocks, which may be saving time and cost for prototype and small amount orders.

 

Material: Various of flint glass, UV fused silica, IR fused silica, CaF2, MgF2, ZnSe, Si, Ge and other material. Delfa also accept custom lenses and serve for the processing with customer’s materials.

 

Specifications:

 

Diameter

0.6mm800mm

Diameter tolerance

Up to +0/-0.01mm

Radius

2mm--

Center thickness tolerance

Up to +0/-0.01mm

Surface figure

Up to λ/10 @632.8nm

Paraxial focal length

Up to +/-1%

Centration

Up to 5 arc seconds

Surface quality

Up to 10-5 Scratch & Digs

Clear Aperture

Up to 100% of the diameter

Bevel

<0.2mmx45°

Coating

According to your request

 

 

 

 

 

 

 

 

 

 

 

 

 

 

** Other sizes and special shapes are avaliable upon your requests.