Customization: | Available |
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After-sales Service: | Repair for free |
Warranty: | 1 year |
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Material: | Schott N-BK7/Schott N-SF5 or customized |
Diameter(mm): | 25.0+0.0/-0.1mm |
Center thickness CT(mm): | 9.5 |
Center thickness tolerance(mm): | +/-0.1 |
Effective focal length EFL(mm): | 75.0 |
Back focal length BFL(mm): | 70.39 |
Focal Length Tolerance(%): | +/-2 |
Radius R1(mm): | 46.44 |
Radius R2(mm): | 33.77 |
Radius R3(mm): | -33.77 |
Radius R4(mm): | -95.94 |
Surface Flatness: | Power<[email protected],IRR<1/[email protected] |
Surface Quality: | S-D 40-20 |
Centering(mm): | 3 |
Bevel: | protected |
Clear aperture(mm): | >90% |
Coating: | Ravg<0.4%@400-700nm,AOI=0deg |
Standard: | MIL-PRF-13830B |