Products

3.5" Diameter: Threads directly onto the draw tube of Starlight Instruments 3.5" Feather Touch focusers. 4.0" Height Extension: Adds 4.0 inches ...

Extends optical path by 3.35" (85 mm) Designed for 3.5" diameter Feather Touch focusers Fits all FTF35xx series focusers Threads directly onto the...

Adapts 3.5" Feather Touch focusers to Astro-Physics accessories Provides a secure 2.7" female threaded connection Eliminates flexure and tilt with...

Connects 3.5" Feather Touch Focusers Adapts APM/TMB Reducers Thread Specification: M82x1 Female Material: High-Grade Aluminum Machined In-House by...

Adapts 3.5" Feather Touch focusers Provides a 3.0"x24tpi male thread connection Designed for FLI 5 Series (CFW 5-7) filter wheels Compatible with ...

Adapts 3.5" Feather Touch Focusers to Sky-Watcher accessories Provides a secure M65x1 female threaded connection Eliminates sag and tilt common wi...

Connects 3.5" Feather Touch Focusers Designed for the Stellarvue 85mm Field Flattener Machined from High-Quality Aluminum Description FAQ Speci...

Adapts 3.5" Feather Touch focusers to accept Takahashi accessories Provides a female 72mm x 1mm threaded interface Ensures a rigid, non-flexing co...

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

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...