Askar 0.7x Reducer for 107PHQ and 130PHQ
This reducer, connected with the astrographs, can effectively shorten the exposure time and dramatically increase your field of view.♦ Designed for 107PHQ and 130PHQ
♦ Reduces focal length by 0.7x
♦ Triplet design with ED glass
♦ Plugs into focuser
♦ Connection threads M68x1 male, M54x0.75 male, M48x0.75 male
♦ 55 mm backfocus from M48 thread
Askar 0.7x Reducer for 107PHQ and 130PHQ
Askar’s new-launched 3” 0.7x full-frame reducer adapts for 107PHQ & 130PHQ. It has a triplet design with one ED glass.
This reducer, connected with the astrographs, can effectively shorten the exposure time and dramatically increase your field of view, bringing more convenience and possibilities for your deep-sky astrophotography.
The 0.7x reduction gives 107PHQ a shortened focal ratio of 4.9 and a shortened focal length of 524 mm and 130PHQ a shortened focal ratio of 5.4 and a shortened focal length of 700 mm.
Type: | Focal reducer |
Suitable for telescopes: | Askar 107PHQ and 130PHQ |
Reduction factor: | 0.7x |
Optical design: | Triplet with on ED glass |
Telescope connection: | 3" barrel, 80 mm diameter |
Filter thread telescope side: | M77x1 female |
Connection threads: | M68x1 male, M54x0.75 male, M48x0.75 male |
Backfocus: | 55 mm from flange of M48 thread |
In the box:
♦ Reducer
♦ Adapter set
♦ Dust covers