Products

Passes H-Alpha (15nm) and OIII (35nm) Wavelengths Designed for One-Shot Color (OSC) Cameras 1.25" or 2" Threaded Cell Over 80% Ha & 90% OIII T...

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 Takahashi FS-60, FSQ-85, FSQ-106 and TSA-120 focu...

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 Rechargeable Lithium Battery Stepper Motor with 128:1 Gear Ratio High...

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 36mm unmounted filters Adds only 20mm of back focus to the imaging train Powered and controlled via a single USB-C cable Weighs 515g f...

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...

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 50mm unmounted filters Adds only 20 mm of back focus to the imaging train Stepper motor for precise, repeatable filter sel...

Holds seven 2" mounted or 50mm unmounted filters Adds 20 mm of back focus to the imaging train Stepper motor for precise, quiet filter selection S...

Houses seven 36mm unmounted filters Adds a minimal 20mm of back focus to the imaging train 7-position carousel for LRGB, narrowband, or custom set...

Holds 8 x 1.25" mounted or 31mm unmounted filters Adds 20 mm of back focus to the imaging train USB-powered stepper motor for precise filter selec...

Connects Canon EOS lenses to a ZWO 2" Electronic Filter Wheel M54x0.75 male thread that threads directly into the 2" EFW Enables filtered, wide-fi...

Connects Canon EF lenses to ZWO Electronic Filter Wheels (EFW); EF-S lenses are not supported Engineered for ZWO cameras with 6.5mm back focus (e....

0.7x Focal Reduction Factor Designed for ZWO FF107 & FF130 APO Refractors Triplet Optical Design with 1 ED Element Standard 55mm Back Focus In...