Current location: Lenses&Mirrors
BK7 Meniscus Lens |
|
|
Material |
BK7 |
Dimension Tolerance |
+0/-0.2mm |
Thickness Tolerance |
±0.2mm |
Design Wavelength |
546.1nm |
Surface Quality |
60/40 scratch and dig |
Flatness |
λ/4@632.8nm |
Centration |
<3 arc minutes |
Focal Length Tolerance |
±2% |
Clear Aperture |
>90% |
Chamfer |
Protective <0.5mmx45deg |
|
| | |
Part No. |
f(mm) |
ø(mm) |
R1(mm) |
R2(mm) |
Tc(mm) |
Te(mm) |
fb(mm) |
M01 |
50.0 |
25.4 |
20.58 |
90.00 |
6.0 |
2.5 |
45.0 |
M02 |
100.0 |
25.4 |
33.72 |
90.00 |
4.0 |
2.5 |
97.5 |
M03 |
150.0 |
25.4 |
42.52 |
90.00 |
4.0 |
3.0 |
146.3 |
M04 |
200.0 |
25.4 |
49.03 |
90.00 |
3.5 |
2.8 |
197.0 |
M05 |
500.0 |
25.4 |
123.90 |
235.00 |
3.5 |
3.2 |
495.4 |
M06 |
-50.0 |
25.4 |
90.00 |
19.90 |
3.0 |
6.7 |
-49.5 |
M07 |
-100.0 |
25.4 |
90.00 |
32.59 |
3.0 |
4.5 |
-99.2 |
M08 |
-150.0 |
25.4 |
90.00 |
41.42 |
3.0 |
4.0 |
-149.5 |
M09 |
-200.0 |
25.4 |
90.00 |
47.63 |
3.0 |
3.8 |
-197.8 |
M10 |
-500.0 |
25.4 |
235.00 |
122.70 |
3.0 |
3.3 |
-497.8 | | | |