Technical parameters calcium fluoride CaF2 convex lens (uncoated) |
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material |
Calcium fluoride (CaF2) is polycrystalline |
Design wavelength |
587.6nm |
size |
D25.4*CT2.7 mm |
Diameter error |
+0/-0.1mm |
radius of curvature |
R108.5mm |
Center thickness error |
±0.1mm |
focal distance |
F250mm |
surface finish quality |
40/20 |
Face type error |
1/4L |
Settlements error |
3′ |
Focal distance error |
±2% |
angle of chamfer |
0.2mm*45° |