Medium power focuser motor with 1:10 reduction

209.00  incl. Vat

High-resolution high torque Robofocus compatible focuser motor with built-in 1:10 reduction (for microfocuser shaft). Metal gearbox.


Select DB9 cable for AstroLink 4 mini S and RJ cable for AstroLink 4 mini USB, mini II, Pi or Focuser One.

Description

Unipolar stepper motor 12V with built-in 1:10 reduction gearbox that gives resolution 480 steps per revolution that correspond to about 4 micrometers per step at standard Crayford focuser with 1:10 reduction gearbox. The motor is designed to rotate the microfocuser shaft in telescopes with a focal ratio of f/3 or slower. The motor is equipped with RJ 6 pin socket and the cable ended with a DB9 or RJ plug. This is compatible with the Robofocus standard, which can be powered by many different controllers – AstroLink, AstroHub, Moonlite, USB Focus, and many others. Motor torque is enough to work with the medium, large, and very large Crayford focusers and R&P focusers (up to 4″) with a load up to 7-8kg.

To rotate the main focuser shaft motor with 1:120 reduction should be used.

Technical data:

  • voltage – 12V DC
  • current – 0.4A
  • resolution – 480 steps per revolution
  • step size – about 4 micrometers for standard Crayford focuser with 1:10 microfocuser
  • torque – 20 Ncm
  • maximum speed – 250 steps/s
  • electrical connection – male D-Sub 9 pin socket, Robofocus compatible

You can read more about focuser motor solutions at https://astrojolo.com/astrolink-4-0-mini/focusing-stepper-motor-solutions/

 

Additional information

Weight 0.3 kg
Dimensions 4.0 × 4.5 × 4.5 cm
Focusing cable

no, 0.3m, 0.5m, 0.8m, 1m, 1.5m, 2m, 3m

Controller side cable plug

DB9, RJ

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