| Material | Dimensions | Diameter Tolerance | Thickness Tolerance | Clear Aperture | Surface Quality | Parallelism | Coating |
| BK7 Grade A Fine Annealed | MM | ±0.10 mm | ±0.10 mm | 85% | 60-40 Scratch-Dig | < 3 Arc Minutes | Uncoated (See Coating Chart for Available Options) |
| * All dimensions are in mm | |||||||
| Part Number | Material | Diameter | Thickness | Flatness | |
|---|---|---|---|---|---|
| W-BKS010 | N-BK7 | 50 | 3 | 1 λ | Add to Quote |
| W-BKS007 | N-BK7 | 25 | 3 | 1 λ | Add to Quote |
| W-BKS004 | N-BK7 | 12.5 | 3 | 1 λ | Add to Quote |
| W-BKS003 | N-BK7 | 10 | 1 | 2 λ | Add to Quote |
1410 Gail Borden Place, A3, El Paso, TX 79935
1-915-595-5417
Ross Optical is a division of Precision Optics. Visit Precision Optics and our sister company Lighthouse Imaging.
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