GSO 3 M-LRN Reflector Crayford focuser - 303 mm focusers opinie

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The GSO Crayford M-LRN 3" eyepiece focuser is a high-class focuser designed specifically for Newtonian telescopes with a tube diameter of 303 mm. Thanks to the use of the Crayford mechanism with linear bearings, it ensures smooth and precise focusing, which is particularly important for visual observations and astrophotography.

The extension tube is equipped with a two-speed microfocus with a gear ratio of 1:10, which enables very precise focusing, even in configurations with heavy cameras or accessories.

Solid construction made of anodized aluminum and precise workmanship guarantee durability and reliability of operation. The focuser is terminated with a 2" adapter, which ensures wide compatibility with various optical accessories.

Technical parameters

• mounting diameter: 303 mm
• focusing mechanism: Crayford with linear bearings
• Microfocus ratio: 1:10
• working range of travel: 50 mm
• mount: 3" with 2" adapter
• material: anodized aluminum
• weight: 1200 g