Size of 59mm x 52mm x 41mm Step motor has 35mm diameter and 7.5deg step angle Reduction Ratio with 120 Power/Data port uses USB2.0 port, Type-B Weight of 277g Capacity of 5kg Description Specifications Diagrams & Ressources In the Box ZWO EAF-5V - Electronic Automatic Focuser - Overview The ZWO 5V EAF brings a new level of convenience and functionality to astrophotography. With its ability to connect directly to a 5V USB port, this advanced electronic focuser eliminates the need for a 12V power supply while offering precise and dynamic focus control for planetary and deep-sky imaging. Highly Integrated Design Supports ASCOM platform and various third-party software compatible with ASCOM. Fully compatible with INDI and original software like ASIAIR and ASIStudio. Effortless Power and Data Connection Operates via USB 2.0, providing both data transmission and power supply through a single cable. Simplifies cable management and reduces the need for extra power outlets. Versatile Focusing Options Supports automatic focusing for deep-sky imaging. Compatible with manual focusing and handle controllers. Temperature Sensor Support Ensures precise focus adjustments based on temperature variations (advanced version). Driver-Free USB HID Device Easy setup and compatibility without the need for additional drivers. Stable and Durable Build Engineered for long-term reliability, even in challenging astrophotography conditions. Innovative Design The decorative pattern on the EAF cover visually represents the changes in the Airy disk during focusing, providing an intuitive explanation of how the EAF achieves optimal focus. Compact and lightweight design for portability and ease of use. There are two variants of the 5V EAF Standard Version: EAF body, flexible coupling, motor bracket, USB2.0 cable. Advanced Version: EAF body, flexible coupling, motor bracket, USB2.0 cable, hand controller, temperature sensor. You could purchase the standard version first, and then buy other accessories to upgrade. Wide Telescope Compatibility Compatible with numerous telescope brands and models, including: SkyWatcher: Astrophotography Reflectors, Black Diamond, Dobsonians, Maksutov-Newtonians SharpStar Telescopes SkyRover Telescopes TS Optics Astro Tech Feather Touch Note: Compatibility may vary by model. Check the official ZWO EAF Compatible Focuser List for detailed support and connection methods. Size 59mm x 52mm x 41mm Motor Step motor, 35mm diameter, 7.5° step angle Reduction Ratio 120 Power/Data Port USB 2.0 (Type-B) Weight 277g Load Capacity Up to 5kg Mechanical Diagram Connecting Diagram Hand Controller & Temperature Sensor Optional EAF Body x 1 Flexible Couplings x 4 Motor Bracket x 1 2m USB2.0 cable x 1 Spacers x 5 M5 Screws x 2 M4 Screws x 4 M5 Wrench x 1 M4 Wrench x 1