Parts and Accessories

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

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

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

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

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...

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

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

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...

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 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...

Pure Red LED Emitter: Provides illumination that won't spoil your night vision, critical for visual observing and astrophotography. Compact "Min...

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...

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...

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

Fits Finder Scopes with 40-55mm Outside Diameter Lightweight Ring-Based Design Attaches to Starlight Instruments Feather Touch Focusers Requires S...

Accommodates finders with a 45mm to 53mm outer diameter Designed for Starlight Instruments Feather Touch focusers Precision-machined for a zero-fl...

Securely holds finderscopes and guide scopes from 50mm to 60mm in diameter Precision adjustment screws for accurate, stable alignment Designed for...

Mounts directly to 2.5", 3.0", and 3.5" Feather Touch focusers Includes a red dot finder for intuitive, zero-magnification aiming Provides a stabl...

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

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...

Provides manual focus control for the Focuser Boss II system Tactile push-button interface for use at the eyepiece Ideal for quick visual adjustme...

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