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AL24--Fused Silica Double-Concave Lenses
| Material: | UV Grade Fused Silica |  |
| Design Wavelength: | 587.6nm; n=1.45848 | |
| Diameter Tolerance: | +0.0/-0.1mm | |
| Center Thickness Tolerance: | +0.2mm | |
| Focal Length Tolerance: | +2% | |
| Centering Tolerance: | 3 arc minutes | |
| Surface Quality: | 40/20 scratch-dig | |
| Clear Aperture: | >90% | |
| Surface Irregularity: | λ/4 @632.8nm | |
| Bevel: | 0.2mmX45o | |
| Coatings: | without coating |
| (mm) | ||||||
| Catalog No. | Dia. | EFL | BFL | R1=-R2 | Tc | Te |
| AL24-006-006 | 6.3 | -6.3 | -6.956 | -6.08 | 2.0 | 3.76 |
| AL24-010-010 | 10.0 | -10.0 | -10.67 | -9.48 | 2.0 | 4.85 |
| AL24-012-012 | 12.7 | -12.7 | -13.366 | -11.95 | 2.0 | 5.65 |
| AL24-012-015 | 12.7 | -15.0 | -15.805 | -14.125 | 2.4 | 5.42 |
| AL24-025-025 | 25.4 | -25.4 | -26.076 | -23.60 | 2.0 | 9.42 |
| AL24-025-030 | 25.4 | -30.0 | -30.678 | -27.82 | 2.0 | 8.14 |