The RSF-10 Secondary Mirror Motor Focuser for 10 inch RC Telescopes is a DIY upgrade kit for RC Telescope with standard Crayford focusers.

All professional grade RC telescopes use secondary mirror focusers to achieve precise focus while eliminating focuser tilt. With a secondary mirror focuser the camera and optical train can be fixed in position with the Optional RSF-10/12 Fixed Camera Adapter. Heavy camera systems will no longer cause the focuser drawtube to sag under the weight.

The RSF Series focusers can be easily mounted without damaging your telescope. The original location of the secondary is maintained and the optical axis can be easily readjusted after mounting the motor focuser.

The RSF Series ASCOM driver allows convenient and precise focus control using your favourite image capture software.

Features

 

Secondary Mirror Focus Control.

RFS10 on GSO RC10A
RFS10 on GSO RC10A

You can also lock the focal plane to prevent image shift.

 

Home & Temperature Sensor

A home sensor is built in to find the mechanical reference point of the focuser. The hand controller has a built-in sensor to measure the ambient temperature.

Hand Controller
Hand Controller

Hand Controller

Hand controller is provided as standard, so you can use it without PC. The moving speed can be selected and fine adjustment is possible.

Hand Controller Connections

Hand Controller Connections

Support various software environment

You can use the RSF controller application on your PC via a USB connection (for Windows). Support ASCOM Platform 6.4.

Ascom Support
Ascom Support

Easily DIY Kit to Build

All components are provided for direct mounting, so anyone can easily install it if you refer only to the installation manual.

DIY Kit Components
DIY Kit Components

 

 

Specifications

Type: Secondary mirror moving focuser

Motor: Stepper motor

Focusing stroke: +/- 8mm (at focal plane +-/48mm)

Minimum step: 0.01mm (at focal plane 0.06mm)

Operating temp: -20°C ~ 40°C

Power: DC 12V

Control: Hand controller, Program, ASCOM driver

Size: Diameter 75mm, Height 82mm(zero position)

Suitable OTA: RC 10″ (GSO, Astro-Tech, TPO, Teleskop Service)

Weight: 560g (Focuser body)

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RSF-10 Secondary Mirror Motor Focuser for RC Telescopes

SKU: RBA-RSF-10

$1,469.00

Available on back-order

✅ Expert Advice
✅ Australian Owned
✅ Lifetime Technical Support

    Need Expert Advice?

    Visual Astronomy, Astrophotography, Microscopy and Macro Photography can be a little complicated sometimes as there are a lot of options. If you'd like to check something before you purchase just let us know and we'd be happy to help!

    Enquire now or call us (03) 9042 2293

    RSF-10 Secondary Mirror Motor Focuser for RC Telescopes

    SKU: RBA-RSF-10

    $1,469.00

    Available on back-order

    The RSF-10 Secondary Mirror Motor Focuser for 10 inch RC Telescopes is a DIY upgrade kit for RC Telescope with standard Crayford focusers.

    All professional grade RC telescopes use secondary mirror focusers to achieve precise focus while eliminating focuser tilt. With a secondary mirror focuser the camera and optical train can be fixed in position with the Optional RSF-10/12 Fixed Camera Adapter. Heavy camera systems will no longer cause the focuser drawtube to sag under the weight.

    The RSF Series focusers can be easily mounted without damaging your telescope. The original location of the secondary is maintained and the optical axis can be easily readjusted after mounting the motor focuser.

    The RSF Series ASCOM driver allows convenient and precise focus control using your favourite image capture software.

    Features

     

    Secondary Mirror Focus Control.

    RFS10 on GSO RC10A
    RFS10 on GSO RC10A

    You can also lock the focal plane to prevent image shift.

     

    Home & Temperature Sensor

    A home sensor is built in to find the mechanical reference point of the focuser. The hand controller has a built-in sensor to measure the ambient temperature.

    Hand Controller
    Hand Controller

    Hand Controller

    Hand controller is provided as standard, so you can use it without PC. The moving speed can be selected and fine adjustment is possible.

    Hand Controller Connections

    Hand Controller Connections

    Support various software environment

    You can use the RSF controller application on your PC via a USB connection (for Windows). Support ASCOM Platform 6.4.

    Ascom Support
    Ascom Support

    Easily DIY Kit to Build

    All components are provided for direct mounting, so anyone can easily install it if you refer only to the installation manual.

    DIY Kit Components
    DIY Kit Components

     

     

    Specifications

    Type: Secondary mirror moving focuser

    Motor: Stepper motor

    Focusing stroke: +/- 8mm (at focal plane +-/48mm)

    Minimum step: 0.01mm (at focal plane 0.06mm)

    Operating temp: -20°C ~ 40°C

    Power: DC 12V

    Control: Hand controller, Program, ASCOM driver

    Size: Diameter 75mm, Height 82mm(zero position)

    Suitable OTA: RC 10″ (GSO, Astro-Tech, TPO, Teleskop Service)

    Weight: 560g (Focuser body)

    Reviews

    There are no reviews yet

    Be the first to review “RSF-10 Secondary Mirror Motor Focuser for RC Telescopes”

    Your email address will not be published. Required fields are marked *

      Need Expert Advice?

      Visual Astronomy, Astrophotography, Microscopy and Macro Photography can be a little complicated sometimes as there are a lot of options. If you'd like to check something before you purchase just let us know and we'd be happy to help!

      Enquire now or call us (03) 9042 2293