The total light path of the filter box assembly is optimized for the combination of ZWO/QHY(=17.5mm flange back) cameras, IDAS filters and BORG telescopes. For BORG telescopes users, you can simply set it between the BORG and ZWO/QHY.
- Camera side : M42/P0.75 male or M54/P0.75 male
- Telescope side : M57/P0.75 male
- Filter box accommodates 48mm and 52mm filter
- Allowed to add 2nd filter box
- Re-configurable for other brand telescopes.
* Note: Camera’s physical tolerance of flange back distance is 17.5mm +/- 0.5mm, according to camera manufacturers.