GEMINI Astro EAF Electric auto focusing for deep space photography of astronomic For Sale

🔭 Gemini 5V EAF Motorized Automatic Telescope Focuser

The Gemini 5V EAF is a computer-controlled electronic focuser designed for astronomical telescopes and astrophotography setups. It supports ASCOM and INDI protocols and can be used with compatible astronomy software for automated focusing.

With a 5V USB power connection, high-torque stepper motor and fine movement control, this focuser provides a convenient way to automate telescope focusing during imaging and observation sessions.

✨ KEY FEATURES

• 🔌 Simple 5V USB Power – Operates from a 5V power supply and uses a USB data cable for computer connection, helping simplify the setup.

• 💻 ASCOM & INDI Support – Compatible with ASCOM and INDI protocols for use with supported astronomy software and computer-controlled focusing systems.

• 🎯 Automated Focusing – Can be used for automatic focusing with compatible software such as NINA, MDL, SharpCap and KStars.

• ⚙️ High-Torque Stepper Motor – Uses a customised 35-size high-torque stepper motor designed for precise focusing movement.

• 🔢 3,840 Steps per Revolution – The motor provides 3,840 steps per revolution, offering fine movement control across the focusing range.

• 🖥️ Windows Control Software – Includes dedicated Windows control software for computer-based focuser operation.

• 🔧 Adjustable Coupling – Includes an aluminum alloy coupling designed to accommodate different telescope focuser configurations.

• 🛠️ Stainless Steel Mounting Bracket – Supplied with a 304 stainless steel fixing bracket for mounting to a compatible focuser.

• 🎮 Optional Manual Control – Includes a manual control jack and supports an optional infrared three-speed precision hand controller with a stated operating distance of up to 5 metres.

📋 PRODUCT SPECIFICATIONS

• Product Type: Motorized Automatic Telescope Focuser
• Model: Gemini 5V EAF
• Power Supply: 5V
• Motor Type: Stepper Motor
• Motor Size: 35
• Steps per Revolution: 3,840
• Protocols: ASCOM / INDI
• Computer Connection: USB
• Control Software: Windows
• Mounting Material: 304 Stainless Steel
• Main Housing: Aluminum Alloy + Stainless Steel
• Manual Control: Supported via Manual Control Jack

💻 SOFTWARE COMPATIBILITY

The focuser supports ASCOM and INDI protocols and is designed for use with compatible astronomical software, including:

• NINA
• MDL
• SharpCap
• KStars
• Other compatible ASCOM / INDI applications

Please confirm software and operating-system compatibility with your existing equipment before purchasing.

📦 PACKAGE INCLUDES

• 1 x Gemini 5V EAF Focus Controller Body
• 1 x 304 Stainless Steel Fixing Bracket
• 3 x Aluminum Alloy Couplings
• 4 x M4 Stainless Steel Screws
• 2 x M5 Stainless Steel Screws
• 1 x 1.5m Data Cable
• 1 x Windows Control Software
• 1 x ASCOM Driver

🔧 FOCUSING & BACKLASH

Mechanical backlash can be affected by the telescope\'s focuser mechanism and mounting arrangement. The focuser software can be configured with an appropriate backlash/offset value where required.

Testing described by the manufacturer indicates approximately 30 steps of movement in the tested focusing setup. Actual results may vary depending on the telescope focuser and mechanical configuration.

🏠 CONSTRUCTION

The focuser body combines an aluminum alloy and stainless steel housing, while the supplied fixing bracket is made from 304 stainless steel. The system is designed for integration with compatible telescope focusing mechanisms.