Askar Manuals & User Guides
Manufacturer of high-performance astrophotography telescopes, lenses, and optical accessories including the FRA, PHQ, and SQA series.
About Askar manuals on Manuals.plus
Askar is a premium brand of astronomical equipment manufactured by Sharpstar Optics, dedicated to providing high-quality telescopes and accessories for amateur and professional astronomers.
The brand specializes in advanced refractive optical systems, including the popular FRA (Flat-field Refractive Astrograph) series, PHQ quadruplets, and specialized lenses like the ACL200. Askar products are renowned for their precision mechanics, superior color correction, and versatility, making them ideal choices for deep-sky astrophotography as well as visual observation.
Askar manuals
Latest manuals from manuals+ curated for this brand.
Sharpstar 13028HNT 130mm f/2.8 HNT Hyperbolic Newtonian Astrograph Instruction Manual
SHARPSTAR SCA260 Ashperical Cassegrain Astrograph with Integrated Field Flattener Instruction Manual
Askar 120APO EAF Installation Guide
Askar FMA180 User's Manual
Askar 50P Telescope User Manual: Features, Specifications, and Guide
Askar 65PHQ Astrograph: High-Quality Telescope for Astrophotography
Askar 120 APO User Manual - High-Quality Refractor Telescope
Askar Focal Plane Adjuster Installation Guide: Angle Adjustment Instructions
Askar FRA300 Pro Astrograph Telescope User Manual
Askar 130PHQ Astrograph Telescope User Manual and Specifications
Askar 103 APO Refractor Telescope User Manual
Askar 140APO 1.0x Full Frame Flattener User Manual
Askar FMA180 pro Astrograph User Manual and Specifications
Askar 71F Flat-Field Refractor Telescope User Manual and Specifications
Askar manuals from online retailers
Askar 80ED Telescope Instruction Manual
Askar 50P Telescope Instruction Manual
Askar 61EDPHⅢ Full Frame Flattener Instruction Manual
Askar FMA180 Pro OTA Instruction Manual: F/4.5, 180mm Focal Length Sextuplet APO Telescope for Astrophotography
Askar 71F Flat-Field Telescope Instruction Manual
Askar ACL200 Astro Camera Lens User Manual
Askar 91F Flat-Field Telescope User Manual
Askar 80PHQ Telescope Instruction Manual
Askar SQA85 Astrograph Instruction Manual
Askar 107PHQ F/7 Quadruplet Flat Field Astrograph Refractor Telescope User Manual
Askar FRA600 108mm f/5.6 Quintuplet Petzval Flat-Field Astrograph User Manual
Askar support FAQ
Common questions about manuals, registration, and support for this brand.
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Can I use my Askar telescope to observe the sun?
No, never look directly at the sun through the telescope without a professional solar filter. Doing so will cause irreversible damage to your eyes.
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What is the standard back focus for Askar reducers and flatteners?
Most Askar reducers and flatteners, such as those for the FRA series, are designed closer to the industrial standard of 55mm back focus, though you should check the specific diagram for your model.
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What is the function of the dual-speed focuser?
The dual-speed rack-and-pinion focuser provides both coarse and fine adjustment knobs, allowing for high-precision focusing essential for crisp astrophotography images.