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Top news results for quintuplet
Askar FRA400C quintuplet APO refractor review
Thursday, September 18, 2025 by Richard Harris
The Askar FRA400C is a 72 mm refractor that blurs the line between telescope and camera lens. In a new review posted by Cuiv, The Lazy Geek, he shows this quintuplet astrograph isn’t just for deep-sky imaging – it’s designed to handle wide-field astrophotography...
Askar SQA106 review by AstroBackyard
Thursday, April 10, 2025 by Russ Scritchfield
The Askar SQA106 is a 106mm aperture refractor telescope with a focal length of 509mm and a focal ratio of f/4.8. It uses a fixed quintuplet Petzval design that includes two SD (super low dispersion) glass elements. This configuration is designed to minimize field curvature and maintain sharp focus ...
Apertura 75Q review
Tuesday, March 11, 2025 by Russ Scritchfield
Everyone is chasing aperture with big telescopes, but it’s often forgotten that something smaller, with well-corrected optics, can serve many needs both visually and photographically. The Apertura 75Q is a perfect example of this, offering a compact, high-quality refractor that deliv...
New Askar SQA70 launched
Friday, March 7, 2025 by Richard Harris
Askar recently introduced it's newest telescope, the Askar SQA70, a 70mm f/4.8 Quintuplet Petzval Astrograph with outstanding optical performance and advanced features. At the heart of the Askar SQA70 is its sophisticated quintuplet air-spaced Petzval design, which includes two Extra-low Dispers...