Askar Field Flattener (x0.7 Reducer) - For PHQ Astrographs Dew Shield Barometric pressure in relative or

Barometric pressure in relative or absolute readings (hPa

True Astrograph Quality:

Protective box

A Lost-in-Space Algorithm (LISA)

periodic errors are measured on mounts and corrected by the user

Askar Field Flattener (x0.7 Reducer) - For PHQ Astrographs Dew Shield Barometric pressure in relative orAskar 0. 7x Reducer for 107PHQ, 130PHQ and 151PHQ. 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 Askar 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