T-LB5774 - Ø1" CaF2 Bi-Convex Lens, f = 25.4 mm, Uncoated
T-LB5774 - Ø1" CaF2 Bi-Convex Lens, f = 25.4 mm, Uncoated
Features
- Vacuum-Grade Calcium Fluoride Substrate
- Ø1/2" and Ø1" Versions Available
- Uncoated for use in the 0.18 - 8.0 μm
- Focal Lengths from 15.0 mm to 200.0 mm
-
Diameter 1" (25.4 mm)
- Focal Length 25.4 mm
- Diopter +39.4
- Radius of Curvature 20.2 mm
- Center Thickness 11.0 mm
- Edge Thickness 2.0 mm
- Back Focal Length 21.2 mm
- Reference Drawing
| Wavelength Range | 0.18 - 8.0 μm |
| Diameter Tolerance | +0.00/-0.10 |
| Thickness Tolerance | ±0.1 mm |
| Focal Length Tolerance | ±1% |
| Surface Quality | 40-20 (Scratch-Dig) |
| Spherical Surface Power | 3λ/2 |
| Spherical Surface Irregularity (Peak to Valley) |
λ/2 |
| Centration | ≤3 arcmin |
| Clear Aperture | >90% of Diameter |
| Design Wavelength | 588 nm |