Astronomik Dark-Filter 1.25" (M28.5)
Key specifications
| Filter type | Other |
|---|---|
| Filter size | 1.25" |
| Mounted | Yes |
About
An opaque blank rather than an optical filter: it closes a filter-wheel slot light-tight, so cameras without a shutter can take dark frames and the wheel gains a park position. Astronomik states it fits ZWO, QHY, QSI, Starlight Xpress, SBIG, Moravian and Atik wheels.