China Φ 12.7-N-Bk7 Plano-Concave Lenses Customized Coating, Find details about China Lenses, Plano-Concave Lenses from Φ 12.7-N-Bk7 Plano-Concave Lenses Customized Coating
| Specifications: |
| Precision Plano-Concave Lenses |
| 1. Material: Optical crown and flint glasses or equivalent |
| 2. Surface Quality: 40/20 |
| 3. Surface Accuracy: ΔN<λ/4@633nm |
| 4. Focal Length Tolerance: ±1% |
| 5. Centration:<3 arc min |
| 6. Clear Aperture: >central 90% of diameter |
| 7. Product Code: LPV+Material-Size-Surface Quality-Surface Accuracy-Centration-Center Wavelength |