GSO 3 M-LRC Crayford focuser RC focusers opinie

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The GSO Crayford M-LRC 3" focuser is a precise and robust focuser designed specifically for Ritchey-Chrétien (RC) telescopes. Thanks to the Crayford mechanism with linear bearings, it provides smooth and precise focusing, which is particularly important for visual observations and astrophotography.

The extension is equipped with a two-speed microfocus with a ratio of 1:10, which allows for very precise focusing, even in configurations with heavy cameras or accessories. Compatibility with focusing motors such as ZWO EAF allows for automatic or remote control of the focus, which significantly increases the convenience of work.

Solid construction made of anodized aluminum and precise workmanship guarantee durability and reliability of operation. The focuser has a standard 3" mount and a 2" adapter, which ensures wide compatibility with various optical accessories.

Technical parameters

• mounting diameter: 117 mm (thread M117x1)
• focusing mechanism: Crayford with linear bearings
• Microfocus ratio: 1:10
• working range of travel: 50 mm
• mount: 3" with 2" adapter
• compatibility with focusing motors: yes (e.g. ZWO EAF)
• material: anodized aluminum
• weight: 1120 g