Parts and Accessories

Connects M48 Threaded Accessories to 2" Push-in Focusers Female M48 Threads for 2" Filter Attachment Adds a Fixed 36 mm of Optical Length Male M48...

Provides precise focusing for Ritchey-Chrétien telescopes Includes an optional 0.8x reducer flattener for improved image quality Description...

Red dot finder for easy target acquisition Includes Vixen-style mounting base for versatile attachment Description The William...

Connects M50.8 Male to M48 Female Threads Adds 13.8 mm of Optical Length Female Thread: M50.8 Male Thread: M48 Signature William Optics Gold Anodi...

Vixen-Style Dovetail Base Secure Mounting for Finderscopes and Guide Scopes Durable Metal Construction Compatible with Most Telescope Optical Tube...

Seamlessly integrate with your existing astrophotography gear. Ensures stable attachment of your telescope to your mount. Description In th...

Compact 38 mm x 42 mm Mounting Base Standard Mini-Vixen Dovetail Profile Ultra-Lightweight at Just 45 g (0.10 lbs) Provides a Secure Attachment Po...

Allows for simple installation Made with improved CNC for greater rigidity Description The William Optics ZenithStar V1 Upgrade Mounting Rin...

Output: 12V DC, 10A Maximum Power: 120W Input: 100-240V AC Connector: 5.5mm x 2.1mm Center-Positive Description FAQ Specifications In the Box W...

Input Voltage: 100-240V AC Output: 12V DC at 5A Connector: 5.5mm x 2.1mm Center-Positive Compatibility: ASI Cooled Cameras, ASIAIR Pro, ASIAIR...

Maintains a clear sensor window on ZWO ASI cooled cameras Consumes a minimal 4.2 watts of power Ultra-thin 0.2 mm to 0.3 mm profile for a non-intr...

Powers two 12V RCA accessories, such as dew heaters, from one DC port Input: 1x 2.1x5.5mm Male DC Plug Output: 2x Female RCA Connectors Cable Leng...

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

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...

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...

Attaches finders and guide scopes with a standard finder foot Direct mounting to ZWO ASIAIR Pro and Plus units Includes two M4 x 8 mm mounting scr...

1.25" non-rotating helical focuser 6mm of precise focus travel 0.1mm adjustment accuracy M42 female threads for direct OAG attachment Maintains gu...

Official ZWO OEM replacement fan Restores original cooling performance to Cooled/Pro cameras Backed by a 2-year manufacturer warranty Descripti...