Gemini Focusing Rotator with 120mm Opening: Enhanced Light and Load Handling

Key Features:

Large Aperture Design: This special variant of the Gemini Focusing Rotator boasts a substantial 120mm (4.72”) opening, surpassing the original Gemini 96mm model in light throughput and load capacity.
Innovative Engineering: Optec's engineers have uniquely merged the functions of telescope focusing and camera rotation into one robust and compact unit, moving away from the traditional approach of adding a rotator to a focuser drawtube.
Robust Construction for Heavy Payloads: Designed with a rotating drawtube from the start, the Gemini provides exceptional strength and rigidity, capable of supporting heavy camera payloads up to 10 kg (22 lbs) without flexure.
Precision Movement: Equipped with four lead-screws and four linear bearings, it allows full 360-degree rotation and 1/2" of linear travel, offering versatile positioning options.
Ultra-Thin Profile: At its central travel point, Gemini maintains a remarkably slim profile, measuring only 2.45" in thickness.
Automatic Temperature Compensation: Includes a remote temperature probe for automatic focus adjustment based on OTA temperature changes, ensuring consistently sharp images.
User-Friendly Software: Gemini Commander software features a convenient wizard to help determine the telescope's temperature coefficient (TC) for optimal focus adjustments.
Stable and Flat Base: Constructed with two parallel MIC-6 tool plates, the Gemini ensures a flat, rigid base with flatness within 0.001" (25 microns), ideal for heavy camera setups.
Precision Movement Mechanism: Utilizes a premium timing belt driven by a high-torque stepper motor for precise and smooth linear travel of the rotating drawtube.
Aesthetic Design: The focuser is accented with an elegant carbon fiber wrap, adding to its visual appeal.
Advanced Connectivity: Features dual RJ45 connectors for seamless connection to the Gemini Control hub and a custom X-cage bearing system with large 6mm chrome ball bearings for independent drawtube rotation.

Software and Docs

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Optec Inc. Gemini 120 Big-Bore Focusing Rotator

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