Rainbow Astro RSF-12 Motor Focuser: Advanced Focusing for 12-inch RC Telescopes

Designed for Reflecting Telescopes: Specifically created as a secondary mirror moving motor focuser for RC 8", 10", and 12" OTAs (Optical Tube Assemblies).

DIY Friendly: Comes as a DIY kit, allowing users to easily attach the focuser to their telescope without causing any damage.

No Impact on Telescope Performance: Its design ensures that attaching heavy cameras does not affect the focuser's or the telescope's performance.

Improved Collimation: Replaces traditional focusers to reduce disturbances, thereby enhancing precise collimation.

Built-in Home Sensor: Features a home sensor for the focuser to automatically find its mechanical origin, ensuring accuracy and ease of use.

Included Hand Controller: Offers a hand controller for convenient manual operation, particularly useful for visual observations.

ASCOM Driver Support: Compatible with ASCOM drivers, allowing for seamless integration with various astrophotography software.

Versatile Compatibility: Suitable for both tube type and truss type RC telescopes from manufacturers like GSO, Astro-Tech, and TPO.

Cost-Effective Solution: Provides the advanced functionality of a secondary mirror moving focuser at the price of a normal focuser, including motors and controllers.

Enhanced Astrophotography and Observation: Ideal for astrophotographers and observers looking for a high-quality, reliable focuser upgrade for their 12-inch RC telescopes.

Specifications

	Spec
Type	Secondary mirror moving motor focuser
Motor	Stepper motor
Focusing travel	±8mm (at focal plane ±48mm)
Minimum step	0.01mm (at focal plane 0.06mm)
Weight	560g
Material	Aluminum AL6061
Coating	Anodizing
Input power	DC 12V
Control	Hand controller, Stand-alone PC Program, ASCOM Driver
Compatibility	Tube of truss type RC telescope (GSO, Astro-Tech, TPO, Teleskop Service)

Software and Docs

Manual

Software

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Rainbow Astro RSF-12 (Motor focuser for 12inch RC)

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