The EAF is a robotic focuser that connects to your mechanical focuser and allows to autofocus via software. The new generation of ZWO EAF continues the brands signature minimalist design, featuring a robust metal housing for a perfect fusion of form and function. Available in two versions: the EAF that need to be powered via USB-C port, and the EAF PRO that includes a lithium batter for a wireless and portable solution To connect the EAF, you need to bolt the provided bracket to the housing of your focuser and connect the shaft of the EAF to the shaft under the single speed focusing knob, using the provided couplers. The new EAF features a more universal Type-C interface for broad compatibility and easy installation, it is compatible with all the telescopes as its previous version and with the optional brackets it extends its applicability to more other models. Micron-level Positioning Accuracy The ZWO EAF 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. 5kg High Load Capacity Astronomical observation equipment often requires the use of various heavy components. The ZWO EAF, despite its compact size, can support a high load capacity of up to 5kg, as rigorously tested in ZWO Laboratory. Its powerful performance ensures stable operation of a wide range of equipment, meeting diverse observation needs. More Universal Type-C Interface The EAF is an upgrade from the previous version, with its interface upgraded from Type-B to the more universal Type-C. Users can power the EAF directly via a Type-C connection to a camera, computer, or ASlAlR, it also supports wired communication via a Type-C interface. Simplifying cable management and reducing power load. Extensive Software Support The EAF can be used in combination with ZWO software and devices for the automatic focusing (frame and focus). The compatibility with ASCOM and INDI drivers allows to use it with third party software too. The optional EAF hand controller is made of high-quality 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. This coupled with the temperature sensor are "must-have" options for EAF users. When used with ASIAIR, the EAF is compatible with the ASIAIR Plus (RK vesion) and the entire ASIAIR camera line-up It is compatible with the following models: ASIAIR ASIAIR Pro ASIAIR Mini ASIAIR Plus Compatibility Notice: The EAF Pro is compatible with the ASIAIR Plus (RK version) and the entire ASIAIR camera lineup. Due to the increased torque of the new EAF motor, higher power input is required. This exceeds the USB output capability of earlier ASIAIR, making it not compatible with the following models: ASIAIR (1st generation, Raspberry Pi 4) ASIAIR Pro ASIAIR Mini ASIAIR Plus (CM4 version) For stable operation, it is recommended to use the new-generation ASIAIR. NOTE: There are two versions of the ASIAIR Plus. You can identify the version by the IC number on the device: Suffix “ASIAIRPLUS” indicates the RK version (compatible) Suffix “RPICM4” indicates the CM4 version (not compatible): How to install the focuser 1. Remove the coarse adjustment knob of the telescope focuser using a suitable sized wrench. 2. Install the coupling on the telescope focuser shaft and tighten the locking screw with the 2mm hex wrench. 3. Attach the focuser body to the coupling, align the EAF motor shaft flat surface with the locking screw, and tighten the locking screw using the provided 2mm hex wrench. 4. Secure the EAF 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 EAF 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 EAF. 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 EAF. There is a groove at the bottom of the EAF bracket, and a single screw provides sufficient stability. Specifications Dimensions 41 x 52 x 70.3mm Motor Stepper motor, step angle 7.5 degrees, reduction ratio 1:128 Power supply USB Type-C (5V 500mA) Data port USB Type-C Weight 215g Load capacity 5kg EAF Mechanical Diagram Items included Downloads ZWO software and drivers
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