The Precision People
800-770-7320
954-748-1715
AL21--Fused Silica Plano Convex 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 | |
| Clear Aperture: | >90% | |
| Surface Figure: | λ/4 @632.8nm | |
| Bevel: | 0.2mmX45o | |
| Coatings: | without coating |
| (mm) | ||||||
|---|---|---|---|---|---|---|
| Catalog No. | Dia. | EFL | BFL | R1 | Tc | Te |
| AL21-004-006 | 4.0 | 6.3 | 4.854 | 2.889 | 2.11 | 1.30 |
| AL21-004-010 | 4.0 | 10.0 | 8.657 | 4.585 | 1.96 | 1.5 |
| AL21-004-015 | 4.0 | 15.0 | 13.767 | 6.877 | 1.80 | 1.5 |
| AL21-004-020 | 4.0 | 20.0 | 18.820 | 9.17 | 1.72 | 1.5 |
| AL21-006-010 | 6.3 | 10.0 | 8.112 | 4.585 | 2.75 | 1.5 |
| AL21-006-012 | 6.3 | 12.5 | 10.824 | 5.731 | 2.44 | 1.5 |
| AL21-006-015 | 6.3 | 15.0 | 13.447 | 6.877 | 2.26 | 1.5 |
| AL21-006-020 | 6.3 | 20.0 | 18.589 | 9.17 | 2.06 | 1.5 |
| AL21-006-025 | 6.3 | 25.0 | 23.668 | 11.462 | 1.94 | 1.5 |
| AL21-006-040 | 6.3 | 40.0 | 38.780 | 18.338 | 1.77 | 1.5 |
| AL21-006-050 | 6.3 | 50.0 | 48.855 | 22.923 | 1.72 | 1.5 |
| AL21-010-012 | 10.0 | 12.5 | 9.462 | 5.731 | 4.43 | 1.5 |
| AL21-010-015 | 10.0 | 15.0 | 12.493 | 6.877 | 3.66 | 1.5 |
| AL21-010-020 | 10.0 | 20.0 | 17.943 | 9.17 | 3.00 | 1.5 |
| AL21-010-025 | 10.0 | 25.0 | 23.183 | 1.462 | 2.65 | 1.5 |
| AL21-010-040 | 10.0 | 40.0 | 38.146 | 18.338 | 2.70 | 2.0 |
| AL21-00-050 | 10.0 | 50.0 | 48.242 | 22.923 | 2.56 | 2.0 |
| AL21-012-020 | 12.7 | 20.0 | 16.874 | 9.17 | 4.56 | 2.0 |
| AL21-012-025 | 12.7 | 25.0 | 22.312 | 11.462 | 3.92 | 2.0 |
| AL21-012-030 | 12.7 | 30.0 | 27.558 | 13.754 | 3.56 | 2.0 |
| AL21-012-040 | 12.7 | 40.0 | 37.844 | 18.338 | 3.14 | 2.0 |
| AL21-012-050 | 12.7 | 50.0 | 48.009 | 22.92 | 2.90 | 2.0 |
| AL21-012-100 | 12.7 | 100.0 | 98.327 | 45.848 | 2.44 | 2.0 |
| AL21-025-035 | 25.4 | 35.0 | 29.355 | 16.046 | 8.23 | 2.0 |
| AL21-025-050 | 25.4 | 50.0 | 45.994 | 22.923 | 5.84 | 2.0 |
| AL21-025-075 | 25.4 | 75.0 | 71.954 | 34.385 | 4.44 | 2.0 |
| AL21-025-100 | 25.4 | 100.0 | 97.394 | 45.848 | 3.80 | 2.0 |
| AL21-025-150 | 25.4 | 150.0 | 147.819 | 68.789 | 3.19 | 2.0 |
| AL21-025-175 | 25.4 | 175.0 | 172.932 | 80.23 | 3.02 | 2.0 |
| AL21-025-200 | 25.4 | 200.0 | 198.027 | 91.70 | 2.89 | 2.0 |
| AL21-025-250 | 25.4 | 250.0 | 248.142 | 114.62 | 2.71 | 2.0 |
| AL21-025-400 | 25.4 | 400.0 | 398.323 | 183.39 | 2.44 | 2.0 |