Optec Inc. Gemini Hand Controller with rotational encoder button

Optec Inc. Gemini Hand Controller: Enhanced Focusing Precision for Telescopes Vibration-Free Focusing: Offers a smooth, vibration-free method of focusing the telescope, essential for maintaining image stability during observations or photography. Intuitive Control Buttons: Equipped with IN and OUT buttons, along with a 2-line display, for straightforward and efficient focus adjustments. Fine Focus Knob with Rotary Encoder: Newly upgraded with an electronic Fine Focus Knob featuring an embedded rotary encoder, allowing for precise and tactile focusing. One-Handed Fine Focus: Enables one-handed fine focus control while using an eyepiece, enhancing the user experience during visual observations. User-Friendly Design: Designed to provide simple, intuitive, and precise control of the focus motor, improving overall telescope operation. Easy Connectivity: Connects directly to the Hand Controller port of the Gemini Control Hub using the included telephone handset cord. Ideal for Telescope Operators: A "must-have" accessory for any Gemini system, especially beneficial for operators physically present at the telescope. Professional Grade Tool: Suitable for both amateur and professional astronomers seeking a reliable, user-friendly hand control for their Gemini system. Enhanced Observing Experience: Offers an improved observing experience, allowing users to maintain eye contact with the eyepiece while adjusting focus. Compatibility with Gemini Systems: Specifically designed for use with the Gemini Focusing Rotator, ensuring seamless integration and operation.   Specifications Material: 6061 aluminum, anodized black Display: 2-line with Position and Temperature Buttons: IN, OUT, and MODE buttons Focus/Rotation Control: Rotary encoder with 1X, 10X, and 100X speeds Communications: SPI to Gemini Hub via MAX232 chip Length: 6.3" (160mm) Width: 3.2" (81.4mm) Thickness: 0.9" (22.7mm) Weight: 6.4 oz (180 g) Mounting: Stainless Steel hanging hook included Connection to Gemini hub: RJ22 plug labeled "Hand Controller" Recommended Cable: Telephone Handset Cable (25-ft. and 6-ft. lengths included) Firmware: V1.1.0 upgradeable with replacement 28-pin PIC chip Software and Docs Drawing Quick Start Guide