Askars new-launched 3" 0.7x full-frame reducer adapts for 107PHQ,
130PHQ & 151PHQ. 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 PHQ a shortened focal ratio of 4.9 and shorter exposure time.
Scope of Delivery:
Products specifications
Working distance from the camera thread
|
55 mm from the M48 external thread |
Reduction:
|
0.7x |
Connection to telescope
|
3" barrel, 80 mm diameter |
type of glass
|
Triplet with ED Lense |
Connection to camera
|
M68x1 male, M54x0,75 male, M48x0,75 male |
Note
|
suitable for: Askar 107PHQ, 130PHQ und 151PHQ |