UV-Grade Fused Silica Bi-Concave Lenses
Material |
UV-Grade Fused Silica |
Design Wavelength |
587.6nm |
Focal Length Tolerance |
+/-1 % |
Diameter Tolerance |
+0.0/-0.1mm |
Thickness Tolerance |
+/- 0.1mm |
Surface Accuracy |
λ /4@632.8nm |
Surface Quality |
40-20 |
Centration |
< 3 arc min |
Clear Aperture |
> 90% |
Beveling |
< 0.2 X 45° |
Coating |
UV AR Coating 290nm-370nm |
No. |
D(mm) |
F(mm) |
R(mm) |
BFL(mm) |
Tc(mm) |
Te(mm) |
UD4797FS |
6 |
-6 |
-5.87 |
-6.70 |
2.50 |
4.10 |
UD4148FS |
6 |
-12 |
-11.46 |
-12.99 |
3.00 |
3.80 |
UD4271FS |
9 |
-9 |
-8.63 |
-9.82 |
2.50 |
5.00 |
UD4014FS |
9 |
-18 |
-16.96 |
-19.00 |
3.00 |
4.20 |
UD4771FS |
12.7 |
-15 |
-14.21 |
-16.00 |
3.00 |
6.00 |
UD4650FS |
12.7 |
-25 |
-23.39 |
-26.01 |
3.00 |
4.80 |
UD4269FS |
12.7 |
-30 |
-27.98 |
-31.01 |
3.00 |
4.50 |
UD4511FS |
12.7 |
-50 |
-46.32 |
-51.02 |
3.00 |
3.90 |
UD4931FS |
25.4 |
-25 |
-23.39 |
-26.01 |
3.00 |
10.50 |
UD4293FS |
25.4 |
-50 |
-46.39 |
-51.19 |
3.50 |
7.00 |
UD4735FS |
25.4 |
-75 |
-69.32 |
-76.19 |
3.50 |
5.80 |
UD4103FS |
25.4 |
-100 |
-92.24 |
-101.19 |
3.50 |
5.30 |