03 May Circular Variable Neutral Density filters
Posted at 23:18h
in Neutral density filters
- Material: N-BK7 , borosilicate glass or other on request
- Standard outside diameters: ∅ 33±0.2mm, ∅ 50±0.2mm others on request
- Standard central hole diameters : ∅ 8±0.2mm, ∅ 6±0.2mm other on request
- Thickness tolerance: ±0.1
- Parallelism: <3′
- Density tolerance: OD±5%@632.8nm
- Surface quality: 60-40
- Clear aperture: >90%
| Dimensions (mm) | OD | Transmission |
|---|---|---|
| Ø50x1.5 | 0-1 | 10%-100% |
| Ø50x1.5 | 0-2 | 1%-100% |
| Ø50x1.5 | 0-3 | 0.1%-100% |
| Ø50x1.5 | 0-4 | 0.01%-100% |
| Ø50x1.5 | 0-1 | 10%-100% |
| Ø50x1.5 | 0-2 | 1%-100% |
| Ø50x1.5 | 0-3 | 0.1%-100% |
| Ø50x1.5 | 0-4 | 0.01%-100% |