PRODUCTS & SERVICES

PRODUCTS & SERVICES

Achromatic Lenses

2020-06-24

Achromatic lenses are the combination of positive and negative elements with different refractive indices. Delfa can serve these lenses with different material and focal length according to your requirements.

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Specifications:

Diameter

0.6mm—100mm

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 material are avaliable upon your request. 

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