Dualband filters have opened the world of convenient narrowband imaging to One-Shot Color (OSC) camera users. Askar is hoping to shake things...
Askar has added a new astrograph to their PHQ line, the 80mm f/7.5 80PHQ. The quadruplet, air-spaced APO lens includes two elements made from...
Askar Lens is introducing a new product for widefield astrophotography, the 107PHQ 107 mm F/7 Quadruplet Flatfield Super APO Astrograph. The four-element Petzval system...
Askar has released the FRA600 quintuplet astrograph, the largest of its Petzval refractor designs for widefield deep sky imaging. The Petzval design incorporates five...
Sharpstar Optics has announced the latest member of its FRA line, the FRA500 astrograph. With an aperture of 90mm and a 500mm focal length...
Askar (by Sharpstar) has announced the FMA180, a small, highly configurable unit that can serve as an APO astrograph with DSLR or mirrorless cameras....