平凹レンズ ｜ CaF2 Plano Concave Lens
| Material: | CaF2 |
|---|---|
| Design Wavelength: | 1500 nm, n=1.425 |
| Diameter Tolerance: | +0.0/-0.1 mm |
| Paraxial Focal Length: | ±2% |
| Centration: | 3 arc minutes |
| Surface Figure : | λ/4 @ 632.8 nm |
| Surface Quality: | 80/50 |
| Clear Aperture: | >80% |
| Bevel: | <0.25 mm X 45° |
| Coating: | Uncoated |