Askar 52mm F4 Scope User Manual

August 28, 2024
Askar

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 guide scope has been optimized in its mechanical design, providing users with a good guiding ability to achieve better imaging quality.
The Askar 52mm F4 Guide Scope is light, compact, and stable. With an aperture of 52mm, a focal length of 208mm, and a travel length of 25mm, it weighs only 631g. The design of the doublet objective lens and precise X&Y-axis fine adjustment give it high accuracy and high stability.
The effective area of the  Askar 52mm F4 guide scope is 164% larger than that of the Askar 32mm F4 guide scope, with the increase of light, the limiting magnitude can reach 10.4.
The Askar 52mm F4 guide scope’s  helical focusing design is adopted for smooth use. Users can directly turn the focuser manually to adjust. The focuser sets an M3 locking screw hole, more convenient to use. The Askar 52mm F4 Guide Scope comes with a 1.25” adapter and an M42 threaded adapter.
The Askar 52mm F4 guide scope base has a 1/4 threaded hole and a M4 threaded hole for easy attachment.
The outlook design of Askar 52mm F4 guide scope is based on high technology, high standards, and high quality, with high-precision CNC machining on the outside and matte coating on the inside.There are two color schemes available, black and silver.
In addition to guiding, the Askar 52mm F4 guide scope can also be used for visual observation.
52mm F4 Guide Scope Specifications
Aperture:52mm
Focal length:208mm
Focal ratio:F4
Objective type:doublet
Overall length:212mm
Net weight:0.63kg
Back-end adapter:M42×0.75 adapter, 1.25″adapter
Accessories: a body, a manual
Product Size Diagram

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Tw i tter

Diagram of the focuser’s stretch-out and draw-back Hold the finder scope base part and rotate the focuser handwheel clockwise to stretch the focuser out. Hold the finder scope base part and rotate the focuser handwheel counterclockwise to draw the focuser back.

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