PRODUCTS & SERVICES

PRODUCTS & SERVICES

Optical Lenses

2020-05-26

Delfa has thousands of radius tooling for making any kinds of general spherical lenses with different sizes, radius and materials, such as plane-convex lenses, plane-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

 0.6mm—800mm

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 available upon your requests.

+86-10-6212-9087