Focusers and Accessories

Connects FTF32XX Series True 3.0" Feather Touch Focusers Coupled Collar Design for Secure, Rotatable Mounting Enables 360° Focuser Rotation for Pr...

Designed for the Starlight Instruments True 3.0" Feather Touch Focuser Custom-machined to match your specific telescope tube radius or diameter Fe...

Flat base for Starlight Instruments True 3.0" Feather Touch Focusers Features integrated leveling screws for precise collimation 4.4" center-to-ce...

Adapts True 3.0" Feather Touch focusers to use 2.0" accessories Features a non-marring brass compression ring Provides a secure, rigid connection ...

Adapts Feather Touch True 3.0" focusers Accepts 3.0" barrel eyepieces and accessories Features a non-marring brass compression ring Provides a sec...

Adds 802.11 WiFi capability to the Focuser Boss II Control your focuser from any smartphone, tablet, or computer Browser-based interface requires ...

Precise 0.05mm adjustment accuracy for fine focusing 10mm of draw tube travel Non-rotating mechanism keeps camera orientation fixed Standard M42x0...

65mm Focuser Travel 105mm Focuser Tube Length Accepts 1.25'' Eyepieces Fits 114mm-150mm Newtonian Reflectors Durable All-Metal Rack & Pinion D...

Adds 360° of camera rotation for precise image framing Designed specifically for the SVBONY SV550 80F6 telescope Adds 20.7mm of extension thicknes...

Adapts M42 threaded accessories to 1.25" focusers and holders Coaxial locking mechanism ensures a self-centering, secure grip PETF inner ring prev...

Adapts M42x0.75 male threads to accept 1.25" eyepieces and accessories Provides 37mm to 47mm of adjustable focus distance Three locking thumbscrew...

Mechanism: 10:1 Planetary Ball Reduction Control: Dual-Speed Coarse and Fine Knobs Compatibility: Tele Vue Refractors with 2-inch Rack-and-Pinion ...

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

12mm Optical Thickness 550g Total Weight M68 Threaded Interface Precise Field Rotation for Framing Description FAQ Specifications In the Box Do...

Exceptionally Thin Profile to Conserve Back Focus Extremely Lightweight to Reduce Focuser Strain M54 Female and Male Threads for Common Imaging Tr...

16mm Ultra-Thin Profile Lightweight 800g Construction High-Resolution Motor Drive M92 Threaded Connections Quiet and Smooth Operation Descripti...

Adds 360° of smooth camera rotation Designed for William Optics 2.5" focusers Secure M63 male and female threads Maintains optical alignment durin...

360° of precise framing rotation Standard M54 male and female threads Adds a minimal 30.2 mm to the optical path Securely locks orientation for lo...

Motorized rotation with 0.02° step resolution Adds only 16.5 mm of backfocus 48 mm clear aperture for full-frame sensors ASCOM and ASIAIR compatib...

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...