Specifications:
Convex lens and double convex lens for optical imagine
Tolerance:+/-0.01
60/40; 40/20; 10/5
Precision:1/4 lambda
Stock lens
Convex lens
Convex lens with different coating according to your requirements.
Specifications of convex lens
Material: fused cilica, bk7 grade a or equivalent optical glasses
Focal length tolerance: 0.5%
Diameter tolerance: +0/-0.1mm or +0/-0.05mm
Thickness tolerance: 0.05mm or0.1
Surface flatness: /10
Centration error: <3 arcmin
Surface quality: 20/10 or 10/5 or better
Clear aperture: >90% of central diameter
Coating: ar coating or no.
210*60*40mm box
