ASKAR SQA55 f/4.8 APO QUINTUPLET flattener Heating power 3 W Weight

Heating power 3 W Weight

the QHY461 is perfect for professional and research applications or series amateur imaging (when matched with a suitably corrected telescope)

As the name suggests

External size of the observatory

It offers a 160mm aperture and f/7 focal ratio

ASKAR SQA55 f/4.8 APO QUINTUPLET flattener Heating power 3 W WeightThe Askar SQA55 is an apochromatic quintuplet flat field astrograph that offers high performance thanks to its air spaced SD and ED lens design. The SQA55 features a variable aperture from f 4. 8 to f 22, but with far higher image quality than typical camera lenses. Thanks to its Petzval design, you don't need to worry about reaching a precise backfocus distance. As long as you're in focus, you're good to go. Both the front of the lens and rear camera