| BK7 UVFS |
 |
 A roof prism works like a 90 or 180 degree mirror, but the image is reversed. |
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| Part No. | A=B(mm) | H(mm) | |||
| RFP0115 | 15.0 | 12.0 | |||
| PDP0123 | 23.0 | 18.0 | |||
| PDP0130 | 31.5 | 23.0 | |||
| Material: | BK7 UVFS Grade A optical glass |
| Dimension Tolerance: | +0,-0.2mm |
| Bevel: | 0.2 mm to 0.5 mm x 45 ° |
| Clear Aperture: | >80% |
| Surface Quality: | 60-40 scratch and dig |
| Flatness: | l /4 at 632.8 nm |
| Angle deviation tolerance: | ± 3arcmin |