Ø75mm Lenses, EFL. 85 ~ 200mm
Ø75mm Lenses, EFL. 85 ~ 200mm
產品名稱 : Ø75mm Lenses, EFL. 85 ~ 200mm
產品說明 :
產品規格
| Material | N-BK7 |
| Design Wavelength | 632.8nm |
| Focal Length Tolerance | ±1% |
| Diameter Tolerance | +0.0/-0.1mm |
| Thickness Tolerance | ±0.1mm |
| Surface Accuracy | λ/4@632.8nm |
| Surface Quality | 40-20 |
| Centration | <3 arc min |
| Clear Aperture | >90% |
| Bevelling | <0.2x45∘ |
| AR Coating | Uncoated ( AR coating is available ) |
