Dimensions in mm
Material:Optical glass type,fine annealed or UV grade fused silica
Clear apertuer:90% of diameter
Focal length tolerance:+/-2%
Diameter tolerance:+0,-0.1mm typical
Center thickness tolerance:+/-0.15mm typical
Surfacae Quality:60-40scratch-dig
Coating:optional
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Material |
Size |
EFL |
BFL |
C.T. |
E.T. |
Centering |
Part No |
Coating |
BK7 |
Dia6.3 |
24.57 |
21.18 |
5.15 |
4.75 |
15 arcmin |
CLD6.3F24.57 |
630-930nm,R<1% |
BK7 |
Dia12.5 |
50.0 |
48.75 |
1.89 |
1.13 |
15 arcmin |
CLD12.5F50 |
None |
BK7 |
Dia25.0 |
75.0 |
72.89 |
3.06 |
1.00 |
15 arcmin |
CLD25F75 |
None |
BK7 |
25.0x50.0 |
50.0 |
47.20 |
4.24 |
1.03 |
15 arcmin |
CLD25x50F50 |
None |
BK7 |
25.0x50.0 |
100.0 |
97.98 |
3.16 |
1.63 |
15 arcmin |
CLD25x50F100 |
None |
Fused Silica |
45x22.5 |
49.0 |
33.65 |
22.50 |
0.0 |
15 arcmin |
CLD45x22.5F49 |
None |