Products

Adapts 3.5" Feather Touch focusers to William Optics accessories Provides a secure M92x1mm female threaded connection Machined from high-grade alu...

Adapts 3.5" Feather Touch focusers to use 2.0" accessories Features a secure, non-marring compression ring Secured by multiple machined thumb scre...

Adapts 3.5" Feather Touch focusers to accept 3.0" accessories 3.0" compression ring opening for 3.0" accessories Ideal for heavy imaging trains wi...

Adapts 3.5" Feather Touch focusers for 3.5" slip-fit accessories Features a 3.5" compression ring opening Provides a secure hold for heavy eyepiec...

Machined 6-32 thumb screw Enables tool-free focuser rotation Available in 1.25", 2.0", and 2.5" shaft lengths Improves ergonomics, especially with...

Adapts Starlight Instruments focusers to Sky-Watcher Esprit 100mm telescopes For the FTF3015B-A focuser: longer drawtube travel will contact the o...

Enables Control of 2 Focusers Simultaneously Designed for the Starlight Instruments Focuser Boss II Controller Streamlines Dual-Telescope and Guid...

ASCOM driver for any ASCOM compliant software Backlash correction, temperature compensation, focus lock and motor braking Hand controller with 1, ...

Adapts 2-inch focusers and diagonals to accept 1.25-inch eyepieces Flush-mount design provides a minimal profile for focus-critical setups Compres...

Attaches a Celestron/Meade f/6.3 Focal Reducer to any 2.0" opening Enables wide-field visual observation with SCTs Precision-machined for a secure...

Connects Vixen Focal Reducers to 2.0" eyepiece holders Standard 2.0" barrel diameter for universal compatibility Machined by Starlight Instruments...

Bayonet-Style Quick Release Exclusively for Leica Eyepieces Secure, Positive-Locking Mechanism Single-Action Twist to Lock and Unlock Eliminates T...

2.5" diameter helical rack and pinion focuser 13-15 pound lifting capacity for heavy imaging trains 10:1 dual-speed fine focus reduction for criti...

3.0" diameter helical rack and pinion focuser 13-15 pound lifting capacity for heavy imaging trains 10:1 dual-speed reduction for precise fine foc...

3.5-inch rack and pinion focuser for large telescopes Supports heavy imaging payloads of 18-20 pounds Dual-speed 10:1 reduction ratio for precise ...

Custom designed for the Takahashi FSQ-106ED telescope Robust 18-20 pound lifting capacity supports heavy imaging trains Precise 10:1 dual-sp...

Designed for the imager: 56 lb capacity (Gen II flyer) High resolution 0.23 micron per step movement Includes the Posi Drive Motor System (PDMS) f...

Replaces the stock focuser knob on Celestron 6" Evolution & select 6SE SCTs Dual-speed: black coarse knob and brass fine knob (10:1 ratio) Fin...

Replaces the stock focuser on Celestron C-14 SCTs Provides a 10:1 ratio dual-speed focusing mechanism Fine focus adjustments for imaging and visua...

Direct focuser upgrade for Celestron C9.25 SCT telescopes Provides precise 10:1 dual-speed fine focus control Fine focus without the coarse jumps ...