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Askar SQA55 Quintuplet Astrograph
Tuesday, July 23, 2024 by Richard Harris
The SQA55 is a high-performance OTA with a 55mm aperture, a 264mm focal length, and a native focal ratio of F4.8. Designed as a quintuplet air-spaced SD glass Petzval astrograph, it excels in both astrophotography and everyday photography. Askar's SQA55 offers remarkable star point performanc...
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