Ball Lenses

Product Introduction:

Ball Lenses is provided by Alpha Optics Co.,Ltd,a major Bamboo & Wooden Crafts supplier in Gifts & Crafts wholesale industry in China.You can check out the specification of Ball Lenses below or get any optional result clicking into the following keywords ball lens , Ball Lenses , ball lense and you can check the authentications and testimonials of Ball Lenses .

Description:
Substrate Material: BK7, and other optical glass
Diameter Tolerance: Up to +0/-0.005mm
Diameter Ellipticity: Up to +/-0.002mm
Clear Aperture: >Central 80％ of diameter
Surface Quality:60-40 S/D
Surface Accuracy: Power <5 fringes (2.5lambda);
Irregularity 1 fringe (lambda/2)
Coating: Coatings are available upon request