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Askar 71F flat field refractor reviewed by Sarah Mathews

Thursday, October 24, 2024 by Richard Harris

Sharpstar Optics has introduced the Askar 71F, a flat-field refractor telescope designed specifically for astrophotography. This highly portable telescope, available for around $600, has attracted attention for its user-friendly design, making it an appealing choice for beginners and seasoned astrop...

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Askar 71F Flat Field launches from SharpStar Optics

Thursday, April 25, 2024 by Richard Harris

The Askar 71F Flat-Field is an optical tube assembly (OTA) characterized by a 71mm aperture, 490mm focal length, and an inherent focal ratio of F6.9. This model features a quadruplet air-spaced APO lens arrangement, incorporating a single ED glass element to significantly minimize chromatic aberr...

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