Focusers and Accessories

Telrad Reflex Sight w/ Mounting Base

The classic Telrad Reflex Sight with a new Pulse Button Pulse Button on a 23" cable turns the reticle off while you hold it Releasing the button r...

Telrad Reflex Sight w/ Mounting Base and Selectable Red/Green Illumination

Telrad Reflex Sight with a switchable red or green reticle Pulse Button installed at the factory Pulse Button on a 23" cable turns the reticle off...

Directly Mounts to the WandererBox Chassis Accepts Standard Vixen/Synta-Style Finderscope Stalks Consolidates Pointing and Guiding Hardware Simpli...

Specifically designed for the MoonLite CRL 2.5" focuser and motor Increases the distance between the focuser body and motor box Resolves clearance...

Securely holds 1.25" eyepieces and accessories RotoLock system provides self-centering, even grip Attaches to standard SCT rear threads (M50.8 fem...

2" RotoLock adapter designed for M63 threads Ensures a secure and precise connection for 2" accessories ...

Designed for Schmidt-Cassegrain Telescopes (SCT) Features a secure RotoLock mechanism for 2" accessories Description The Willi...

Converts 2" focusers to a 1.25" holder Innovative RotoLock self-centering mechanism Dual input: 2" push-in barrel and female M48 threads Adds 38 m...

Adapts 3.5" William Optics focusers to a 2" receiver Features the secure, self-centering RotoLock mechanism Connects via M92 x 1 male threads Adds...

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...

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, TOA-130, and TS...

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...