|
Meniscus Lens
| Diameter Tolerance |
+0/-0.1mm |
| Thickness tolerance |
+/-0.1mm |
| Focus length tolerance |
+/-1% |
| Surface Accuracy |
£f/4 irregularity @632.8nm |
| Surface Quality |
40-20 |
| Centration |
3 arcmin |
| Clear Aperture |
>90% |
| Bevel |
0.3mm x 45° |
| Coating |
MgF2 or Custom |
|
 |
| Diameter(mm) |
Focal length(mm) |
Tc(mm) |
Te(mm) |
Material |
Product Number |
| 18.0 |
73.5 |
4 |
3.0 |
SF8 |
ZTW001 |
| 18.0 |
-116.0 |
4.0 |
3.4 |
SF8 |
ZTW002 |
| 19.0 |
130.2 |
4 |
3.4 |
SF8 |
ZTW003 |
| 19.0 |
-215.0 |
4.0 |
3.7 |
SF8 |
ZTW004 |
| 25.4 |
50.0 |
5.4 |
1.5 |
BK7 |
ZTW005 |
| 25.4 |
-75.0 |
3.7 |
1.5 |
BK7 |
ZTW006 |
| 25.4 |
100.0 |
4 |
2.5 |
BK7 |
ZTW007 |
| 25.4 |
-150.0 |
4.0 |
3.0 |
BK7 |
ZTW008 |
| 25.4 |
200.0 |
3.5 |
2.8 |
BK7 |
ZTW009 |
| 31.5 |
-146.0 |
6.0 |
4.7 |
SF8 |
ZTW010 |
| 31.5 |
233.6 |
6 |
5.2 |
SF8 |
ZTW011 |
| 31.5 |
-363.0 |
6.0 |
5.5 |
SF8 |
ZTW012 |
| 40.0 |
175.2 |
7 |
5.2 |
SF8 |
ZTW013 |
| 40.0 |
-291.0 |
7.0 |
6.0 |
SF8 |
ZTW014 |
| 40.0 |
507.8 |
7 |
6.4 |
SF8 |
ZTW015 |
|
|
