Askar Manuals & User Guides

Askar 80ED 80mm 7F Refractor Telescope User Manual

July 28, 2025

80ED 80mm 7F Refractor Telescope Specifications Aperture: 80mm Focal length: 560mm Focal ratio: F7 Objective lens: Doublet lens design (includes 1 piece of ED glass) Total length: 404mm when the…

Askar D80ED F7 ED Doublet Refactor Instruction Manual

July 3, 2025

Askar 80ED F7 ED Doublet (D80ED) Product Size Diagram Dew shield Handle Finder base 2" adapter 200mm Vixen style dovetail plate Quick-release plate mounting hole Bottom locking screw Coarse adjustment…

Askar FRA400C 0.7x Full Frame Reducer User Manual

May 9, 2025

Askar FRA400C 0.7x Full Frame Reducer Product Specifications Model: FRA400C 0.7x Full Frame Reducer Focal Length: 280mm Focal Ratio: F3.9 Lens Design: Triplet Back Focus: 55mm Weight: 0.46kg Thread Type:…

Askar SQA55 Quintuplet Refractor User Manual

April 13, 2025

Askar SQA55 Quintuplet Refractor Maintenance Keep the lens tube clean and free of dust or debris to maintain image quality. Store the lens in a protective case when not in…

Askar SQA55 Electronic Focuser Autofocusing Kit Instruction Manual

February 27, 2025

Askar SQA55 Electronic Focuser Autofocusing Kit Product Parts SQA55 Specifications Aperture: 55mm Focal length: 264mm Focal ratio: F4.8 Objective lens: Quintuplet air-spaced Petzval APO Total length: 316mm (including dew shield);…

ASKARFPA Focal Plane Tilt Adjuster Instruction Manual

January 22, 2025

ASKARFPA Focal Plane Tilt Adjuster Attachment Take the 55mm back focus ilS iln example Direction Instruction The focal plane adjuster flats the t ilted focal plane by changing the angle…

Askar 52mm F4 Scope User Manual

August 27, 2024

52mm F4Guide Scope User s Manual Warning DO NOT LOOK AT SUN THROUGH THIS SCOPE. IT WILL CAUSE IRREVERSIBLE DAMAGE TO YOUR EYES. Instructions for use The Askar 52mm F4…

Askar 71F Flat Field Refractor Telescope and Spotting Scope User Manual

June 13, 2024

Askar 71F Flat Field Refractor Telescope and Spotting Scope Product Usage Instructions Assembly and Setup Attach the tube rings to the OTA using the provided screws. Mount the handle and…

Askar 140APO Triplet Refractor Telescope User Manual

May 30, 2024

Askar 140APO Triplet Refractor Telescope User Manual Instructions for use The Askar 140APO is an OTA with a 140mm aperture, 980mm focal length, and f/7 native focal ratio.The Askar 140APO…

Askar 140APO 0.8x Full Frame Reducer User Manual

May 30, 2024

140APO 0.8x Full Frame Reducer User's Manual DO NOT LOOK AT SUN THROUGH TELESCOPE. IT WILL CAUSE IRREVERSIBLE DAMAGE TO YOUR EYE. www.sharpstar-optics.com Instructions for use The 0.8x reducer can…

Askar 130PHQ Astrograph Telescope User Manual and Specifications

User's Manual

Detailed user manual and technical specifications for the Askar 130PHQ, a 130mm f/7.7 flat-field astrograph telescope. Includes instructions, specifications, and package contents.

Askar 103 APO Refractor Telescope User Manual

manual

Comprehensive user manual for the Askar 103 APO refractor telescope, detailing specifications, features, assembly, and packaging contents. Learn about its 103mm aperture, 700mm focal length, and advanced focuser.

Askar 140APO 1.0x Full Frame Flattener User Manual

User Manual

User manual for the Askar 140APO 1.0x Full Frame Flattener, detailing its specifications, features, and installation instructions for astrophotography.

Askar FMA180 pro Astrograph User Manual and Specifications

user manual

Comprehensive user manual for the Askar FMA180 pro 40mm f/4.5 astrograph telescope. Includes detailed specifications, diagrams, connection instructions, and important safety warnings for astrophotography.

Askar 71F Flat-Field Refractor Telescope User Manual and Specifications

User Manual

Comprehensive user manual for the Askar 71F Flat-Field refractor telescope. Includes detailed specifications, features, assembly diagrams, usage instructions for visual observation and astrophotography, and packaging contents.

Askar FRA400 F5.6 APO Refractor Astrograph Telescope User Manual

manual

Comprehensive user manual for the Askar FRA400 F5.6 APO Refractor Astrograph telescope. Learn about its specifications, features for astrophotography, and optical performance.

Askar 185APO 0.8x Full Frame Reducer - Technical Overview and Instructions

Product Overview

Detailed information and user manual for the Askar 185APO 0.8x Full Frame Reducer, including specifications, features, and installation guidance for astronomical telescopes.

Askar FMA180 User's Manual and Specifications

User's Manual

Comprehensive user manual for the Askar FMA180 APO refractor telescope, detailing its features, specifications, usage patterns for astrophotography and observation, and package contents.

Askar SQA55 User Manual: Astrophotography and Photography Guide

user manual

Comprehensive user manual for the Askar SQA55 telescope, detailing its specifications, features, and usage for both astrophotography and general photography. Learn about its quintuplet air-spaced Petzval APO design, dual-speed focuser,…

Askar FRA400C 0.7x Full Frame Reducer User Manual

user manual

User's manual for the Askar FRA400C 0.7x Full Frame Reducer. Details specifications, installation instructions, and usage guidelines for the reducer designed for the FRA400C telescope.

Askar 103 APO Segmented Lens Tube Detachment Instructions

instruction

Step-by-step guide on how to detach the segmented lens tube of the Askar 103 APO telescope, ensuring proper focuser positioning and lens hood adjustment.

Askar 103APO Optional EAF Installation Guide

installation guide

Step-by-step instructions for installing the Electronic Auto Focuser (EAF) on the Askar 103APO telescope.