Parts and Accessories

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...

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...

Larger diameter for enhanced manual focus precision Improves tactile feel and reduces hand fatigue Direct-fit upgrade for most Feather Touch focus...

Ergonomic upgrade for finer focus control Larger diameter provides a smoother, more precise feel Ideal for high-magnification imaging and visual u...

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

Adds Feather Touch dual-speed fine focusing to stock Takahashi focusers Fits Takahashi Epsilon E180 and Mewlon series telescopes Retrofit design i...

Adds 10:1 ratio dual-speed fine focusing Direct retrofit for specific Takahashi 2.5" focusers Replaces only the pinion assembly, retaining the ori...

Adds 10:1 dual-speed fine focusing to stock Takahashi focusers Directly fits Takahashi 2.7-inch diameter focusers Planetary reduction mechanism pr...

Adds acclaimed Feather Touch dual-speed focusing to your existing focuser Direct retrofit for post-2005 Tele Vue OTAs with 2.4" black draw tube fo...

Adds Feather Touch dual-speed focusing to stock Tele Vue focusers Provides ultra-fine control for high-magnification viewing and imaging Includes ...

Adds dual-speed fine focusing to original TeleVue focuser bodies Direct retrofit for pre-2005 TeleVue OTAs with chrome draw tubes Internal brake s...

Direct Attachment for Focuser Boss II Hub Universal Mounting Compatibility Provides a Secure, Stable Platform Streamlines Cable Management Desc...

Designed for the FSB-CH4055 Finderscope Base Compatible with 2.5" Feather Touch Focusers Compatible with 3.0" Feather Touch Focusers Compatible wi...

Connects Orion 0.85x Reducer to M42 T-Thread Cameras Engineered by Starlight Instruments Ensures a Rigid, Non-Flexing Imaging Train Standard M42 F...

Lifting Capacity: In excess of 56 pounds Drive System: Positive-engagement timing belt Manual Override: Yes, via fine focus knob Temperature Senso...

Adapts 3.0" focusers to accept 2.0" accessories Precision-machined for a no-slip, concentric fit Maintains optical alignment for critical imaging ...

Integrates a Tele Vue Paracorr Type 2 Coma Corrector Includes a Starlight Instruments FTF2015BCR 2-inch Focuser Fixed optical spacing eliminates t...

Integrates a Tele Vue Paracorr Type 2 into a Feather Touch Focuser Fixed optical spacing eliminates adjustments and flexure Designed for fast Newt...