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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Operating Voltage: DC 3
Optics: 50 mm f/5 apochromatic triplet refractor for sharp
25" Diagonal Mirror
High uniformity planetary wheel coating fixture to improve the uniformity of the filter wavelength
Askar SQA55 55mm f/4.8 Petzval Astrograph | Dark Clear Skies brass compression ring Operating Voltage: DC 3Askar SQA55 55mm f 4. 8 Petzval Astrograph The Askar SQA55 55mm f 4. 8 Petzval Astrograph is a compact wide field refractor designed specifically for astrophotography. Featuring a precision quintuplet air spaced optical design incorporating both SD and ED glass elements, the Askar SQA55 delivers excellent colour correction and a naturally flat imaging field without the need for an additional field flattener. With a 264mm focal length and fast f 4. 8
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