Items | Description | |
Spherical Lens | Material: | Schott N-BK7 |
Diameter: | 50.80+0.05/-0.13mm | |
Center thickness: | 4.0+/-0.1mm | |
ROC1: | 15mm+/-3%,CC | |
ROC2: | 15mm+/-3%,CX | |
Surface flatness: | S1&S2:PV<1/[email protected] | |
Surface quality: | S1&S2:10-5 | |
Centerness: | <3arcmin | |
Clear aperture: | >90% | |
Chamfer: | <0.5mmx45deg | |
Coating: | uncoated | |
Standard: | MIL-PRF-13830B |