Double concave lens is ideal for beam expansion, light projection, and expanding the focal length of an optical system
Please contact us at info@goldenvueoptics.com for any custom design. Thanks!
General specs:
Material:
BK7
Design Wavelength:
587.6nm
Diameter Tolerance:
+0.0/-0.1mm
Center Thickness Tolerance:
±0.2mm
Surface Quality:
60/40
Power (P-V):
1.5 lambda @632.8nm
Irregularity (P-V):
lambda/4 @632.8nm
Centration:
3 arc min.
Focal Length Tolerance:
±2%
Bevel:
0.2mm x 45°
Coating:
None