Starlight Instruments Focusers

10:1 dual-speed reduction for ultra-fine focus control Available with 0.75" or 1.5" of drawtube travel Crayford design eliminates image shift Draw...

10:1 fine-focus reduction ratio for precise adjustments 8-10 pound lifting capacity supports heavy imaging trains Crayford drive mechanism for zer...

Adds automated, repeatable focusing to your telescope Features a simple manual focus override knob Built-in thermistor for temperature-compensated...

Adds electronic focus control to William Optics RedCat/SpaceCat telescopes Based on the proven Starlight Instruments Handy Stepper Motor (HSM) Ena...

3.0" Diameter Helical Rack & Pinion Focuser 13-15 pound lifting capacity for heavy imaging trains 10:1 dual-speed reduction for precise fine f...

ASCOM compliant driver for use with all major imaging software Advanced automation including backlash and temperature compensation Tactile hand co...

TRUE 3.0" clear aperture for unvignetted imaging with large sensors Supports heavy imaging trains with a 15-17 pound lifting capacity Precision 10...

Replaces stock SCT focuser with a dual-speed mechanism Eliminates image shift for high-magnification viewing and imaging Designed for specific Cel...

Replaces stock focuser on Celestron 11" SCTs True dual-speed 10:1 fine focus mechanism Eliminates image shift and mirror flop Installs easily with...

Replaces stock focuser on Meade 8.0" SCTs and 7" Maksutovs Adds dual-speed, ultra-fine focusing control Eliminates image-shift and coarse focus ju...

Replaces stock focuser knob with a dual-speed system Eliminates image shift and mirror flop common in SCTs Planetary reduction mechanism for ultra...

Controls 1 or 2 focusers from a single digital hub Connects via USB, Serial, and wired Ethernet standard Optional 802.11 WiFi for complete wireles...

Replaces the stock focuser knob on Meade f/8 10" and 12" SCTs Adds dual-speed, high-precision focusing control Eliminates image shift caused by mi...

Direct-fit upgrade for Meade 10" and 12" f/10 SCTs Replaces stock focuser on LX90, LX200GPS, and LX200 Classic models Dual-speed mechanism for pre...

Replaces stock focuser on Celestron C11 SCTs Adds dual-speed fine focusing control Eliminates image shift and backlash Designed for C11 telescopes...

Installs directly onto Celestron C-14 SCTs Provides dual-speed (coarse and fine) focusing Eliminates image shift caused by stock focuser Enables p...

Replaces stock focuser on Celestron C8 SCTs Provides ultra-fine, dual-speed focusing control Eliminates mirror shift and image slop Adds zero back...

13-15 pound lifting capacity for heavy imaging trains Rack and Pinion drive for zero-slip focusing 10:1 dual-speed fine focus mechanism Fully rota...

Lightweight design minimizes telescope balance issues 10:1 dual-speed fine focus for critical adjustments 8-10 pound lifting capacity supports mos...

Adds dual-speed coarse and fine focusing to your telescope Engineered to eliminate common SCT image shift and mirror flop Direct-fit upgrade for C...

Direct-fit upgrade for all Meade 14.0" SCTs, including LX200GPS and Classic models Adds ultra-precise dual-speed focusing control Dramatically red...

Lifts imaging trains up to 56 lb with zero slip Achieves 0.23 micron resolution per step for critical focus Integrated Posi Drive Motor System (PD...

2.5" Diameter Helical Rack and Pinion Focuser 13-15 Pound Lifting Capacity for Heavy Imaging Trains 10:1 Dual-Speed Fine Focus Reduction 360-Degre...

Direct focuser upgrade for Celestron C9.25 SCT telescopes Provides 10:1 dual-speed fine focus control Eliminates image shift and "mirror flop" fro...