INFAST offers a large variety of achromatic and triplet achromatic Lenses. Multiple anti-reflection coating options for the UV, visible, IR are available.
Specifications:
Material: | Crown Glass and Flint Glass |
Focal length: | ±2% |
Designed Wavelength: | 486.1nm, 546.1 nm, 656.3nm |
Designed Index: | 1.5183 ±0.0005 |
Dimension Tolerance: | +0.0/-0.2 mm |
Thickness Tolerance: | ± 0.2 mm |
Paraxial Focal Length: | ± 2% |
Clear Aperture: | > 85% |
Centration: | 3 arc minutes |
Flatness: | λ/4 at 632.8 nm |
Surface Quality: | scratch and dig 60-40 |
Adhesive: | Ultraviolet Hardened Adhesive |
Bevel: | 0.5 (0/-0.3) mm |
Notes:
1. Surface Quality could reach 40-20 or 20-10
2. Centration such as 1’, 30” is available.
3. Please show us the size and the coating specification.
Part NO. | F(mm) | fˊ(mm) | Tc(mm) | Te(mm) |
INF-AL25.4-030 | 25.4 | 30 | 16 | 8.76 |
INF-AL25.4-035 | 25.4 | 35 | 14 | 8.54 |
INF-AL25.4-040 | 25.4 | 40 | 14.5 | 8.54 |
INF-AL25.4-045 | 25.4 | 45 | 12 | 7.52 |
INF-AL25.4-050 | 25.4 | 50 | 11.5 | 7.5 |
INF-AL25.4-060 | 25.4 | 60 | 10.5 | 7.12 |
INF-AL25.4-075 | 25.4 | 75 | 9.5 | 6.88 |
INF-AL25.4-100 | 25.4 | 100 | 8.5 | 6.55 |
INF-AL25.4-150 | 25.4 | 150 | 7.5 | 6.2 |
INF-AL25.4-200 | 25.4 | 200 | 6.5 | 5.54 |
INF-AL25.4-250 | 25.4 | 250 | 6.5 | 5.66 |
INF-AL25.4-300 | 25.4 | 300 | 5.5 | 4.85 |
INF-AL25.4-400 | 25.4 | 400 | 5.5 | 5.01 |
INF-AL25.4-500 | 25.4 | 500 | 5.5 | 5.11 |
Custom designs for other sizes and coatings are also available upon request
