ZWO EAFN Electronic Automatic Focuser The latest generation of the ZWO EAF, the EAFN, features a Universal Type-C interface, micron-level focusing, and a 5 kg high load capacity! You'll find that the ZWO EAFN delivers a user-friendly focusing experience to achieve pinpoint focusing accuracy for breathtaking cosmic imagery. Micron-level Positioning Accuracy The ZWO EAFN integrates a high-precision custom stepper motor with compact yet powerful performance. Featuring a 1:128 reduction ratio, it provides the motor with strong torque and precise control capabilities, achieving micron-level positioning accuracy. Each rotation responds precisely to commands, ensuring accurate and reliable focusing. Universal Type-C Interface The EAFN was upgraded from the original EAF to a more universal Type-C interface. Users can power the EAFN directly via a Type-C connection to a camera, computer, or ASlAlR, and it also supports wired communication via a Type-C interface, simplifying cable management and reducing power load. Extensive Software Support The EAFN supports both ASCOM and INDI protocols, making it compatible with a wide range of astrophotography software, including: ZWO-developed platforms: ASIStudio and ASIAIR APP Third-party software: SharpCap, FireCapture, Maxim DL, The SkyX, SGP, Nebulosity, and more 5kg High Load Capacity Astronomical observation equipment often requires the use of various heavy components. The ZWO EAFN, despite its compact size, can support a high load capacity of up to 5kg. The weight capacity was rigorously tested in the ZWO Laboratory. Its powerful performance ensures stable operation of a wide range of equipment, meeting diverse observation needs. Optional EAF Hand Controller The EAF hand controller is made of high-quality, eco-friendly ABS material to ensure a comfortable grip. The hand controller provides an easy method of focusing the telescope, featuring IN and OUT buttons, allowing for smooth manual focusing without relying on a computer or smartphone. This design also minimizes subtle vibrations during operation, helping to maintain precise focus. A “must-have” option for EAF users! The EAFN is Easy to Install 1. Remove the coarse adjustment knob of the telescope focuser using a suitable sized wrench. 2. Install the coupler on the telescope focuser shaft and tighten the locking screw with the 2mm hex wrench. 3. Attach the focuser body to the coupler, align the EAFN motor shaft flat surface with the locking screw, and tighten the locking screw using the provided 2mm hex wrench. 4. Secure the EAFN body to the bracket and the bracket to the matching mounting holes in the focuser assembly using the supplied M4 screws. Ensure that the bracket is flush with the EAFN mounting surface without any gaps, and that it is parallel to the focuser body surface. 5. Check and ensure that all the connections of the EAF are secure. This completes the hardware installation of the EAFN. 6. For curved focusers like the one in the image above, you only need to use the original locking screws and 3 washers to secure the EAFN. There is a groove at the bottom of the EAF bracket, and a single screw provides sufficient stability.
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