Products

Reveals high-altitude detail on Jupiter and Saturn 20nm bandpass centered on the methane absorption line Standard 1.25" (31.75mm) threaded cell Re...

Extends AM5 mount payload capacity beyond 28 lbs 230 mm (9") total length for flexible balancing Standard 0.787" (20 mm) diameter fits common coun...

2.8mm to 12mm Zoom Focal Length Fast f/1.4 Aperture ~100° Wide Field of View Designed for 1/3" Format Sensors Standard CS-Mount Thread Descript...

Powers two 12V accessories from one source Input: 1x Male DC Cigarette Lighter Plug Output: 2x Female DC Power Connectors Cable Length: 6 inches 2...

Maintains a dew-free sensor chamber Factory-original replacement for all ZWO cooled cameras Includes four desiccant tablets User-replaceable to re...

Passes H-Alpha (15nm) and OIII (35nm) Wavelengths Designed for One-Shot Color (OSC) Cameras 1.25" Threaded Cell Over 80% Ha & 90% OIII Transmi...

Connects a ZWO EAF directly to Celestron C11 and C14 telescopes Bypasses the stock manual focuser for a direct-drive connection Includes flexible ...

Connects a ZWO EAF to Celestron 8" and 9.25" SCT, EdgeHD, and RASA OTAs Enables precise, automated focusing for astrophotography Includes both 5 m...

Precision-machined for Takahashi focusers Includes both 4 mm and 5 mm flexible couplers Supports over 10 telescope models from Takahashi, Sky-Watc...

Precise, tactile focus control for ZWO EAF Operate focuser without a computer or ASIAIR Variable speed for coarse and fine adjustments Ideal for v...

11 lb (5kg) Payload Capacity Bluetooth 5.0 and USB-C Connectivity Integrated 2500 mAh Rechargeable Battery Stepper Motor with 128:1 Gear Ratio Hig...

Enables temperature-based autofocus compensation for the ZWO EAF Plugs directly into the ZWO Electronic Automatic Focuser Maintains sharp focus as...

Introducing 5V EAF, the upgraded version of the original ZWO EAF. This electronic focuser enables precise, dynamic focus control for planetary and ...

Size of 59mm x 52mm x 41mm Step motor has 35mm diameter and 7.5deg step angle Reduction Ratio wit...

Handles imaging payloads up to 11 lbs (5kg) High-precision stepper motor with 128:1 gear ratio Single USB-C port for power and data ASCOM, INDI, a...

For 2″ threaded filters or 50.4mm ± 0.5mm unmounted filters. Easy to install on the telescope and the camera ...

For 2″ threaded filters or 50.4mm ± 0.5mm unmounted filters. Easy to install on the telescope and the camera ...

Holds seven 50mm square unmounted filters Designed for large-format sensors like the ZWO ASI461MM Pro Direct bolt-on connection for maximum rigidi...

For 1.25" or 31mm filters Easy to install on the telescope and the camera Filters are easy to ins...

5 filter positions for 1.25" or 31mm filters Adds 20 mm of back focus to the imaging train USB-C powered and controlled Redesigned housing for imp...

Holds 5 x 2" mounted or 50.4mm unmounted filters Adds only 20 mm of back focus to the imaging train Stepper motor for precise, repeatable filter s...

Holds seven 2" mounted or 50.4mm unmounted filters Adds 20 mm of back focus to the imaging train Stepper motor for precise, quiet filter selection...