ASKAR

Parameters Aperture size 103mm Focal length 700.4mm Focal ratio f/6.8 Objective lens Triplet air-spaced APO (including one ED glass) T..

  107PHQ Aperture size 107mm Focal length 749mm Focal ratio f/7 Objective lens Quadruplet air-spaced APO (including two ED glass) ..

Askar’s 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 conve..

Parameters Aperture size 120mm Focal length 840mm Focal ratio f/7 Objective lens Triplet air-spaced APO (including one ED glass) ..

130PHQ Illustrate in detail Aperture size 130mm Focal length 1000mm Focal ratio f/7.7 Objective lens Quadruplet air-spaced APO (including two ED glass) ..

Parameters Aperture size 140mm Focal length 980mm Focal ratio f/7 Objective lens Triplet air-spaced APO (including one ED glass) ..

151PHQ Illustrate in detail Aperture size 151mm Focal length 1057mm Focal ratio f/7 Objective lens Quadruplet air-spaced APO (including two ED glass)  ..

Parameters Aperture size 160mm Focal length 1120mm Focal ratio f/7 Objective lens Triplet air-spaced APO (including one ED glass) Tota..

Parameters Aperture size 185mm Focal length 1295mm Focal ratio f/7 Objective lens Triplet air-spaced APO (including one ED glass) ..

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Parameters Aperture size 60mm Focal length 408mm Focal ratio f/6.8 Objective lens Quadruplet air-spaced APO(including one ED glass) Image circle 44mm Maximum accessory ..