| Size | 1.25 in |
|---|---|
| Brand | Unbranded |
| Surface shape | λ/4 |
| Degree of finish | 60/40 |
| Type | Filter |
| Filter material | optical glass |
| Features | Astronomical Color Camera Light Pollution Decrease |
| Country/Region of Manufacture | China |
| To Fit | Astronomical Color Camera |
| Compatible Brand | Universal |
| Compatible Series | Universal |
| Compatible Model | See detail |
| Unit Quantity | 1 |
| Unit Type | Unit |
Check the listing for details. Optolong L-Ultimate Dual Bandpass Light Pollution Reduction Imaging Filter. Condition: New. Listed at 274.55 USD. Therefore, it can make the sky background of the image darker, and maximize the contrast and signal-to-noise ratio between nebulae. - Cutoff range: 300 - 1000nm. - Cutoff depth: > OD4. - Filter material: optical glass.