Rigel Systems
Manufacturer of innovative astronomy accessories

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nSTEP and STEPPER Motor Kits
Picking a solution is easy as
1: Select STEPPER motor for your focuser
2: Select usb-nSTEP controller
now with wifi
3: Select an accessory
4: Download and install the software

We do over 100 variants of focusers, if you don't see yours here, e-mail us!
Because we do over 100 variants, bracket kits are semi-custom and lead time is 1-2 weeks.


1: Select Stepper Motor

 

NEW! Custom Stepper Motor Kits for your focuser.
Got a focuser that's not one of the ones listed on our website? We've probably already done it! With a couple of photos and a few measurements we can make a stepper motor kt that will fit your focuser at no additional cost -- just $203.85
e-mail us at rigelsys@cox.net and we'll get it started!

 
For Celestron CPC & HD $203.85

Stepper Motor
for Celestron CPC & HD telescopes
Motorize your Celestron focuser with our powerful stepper motor. for the ultimate in accurate auto-focusing. Stepper motor has 0.1 degree step size, easily lifts 8 pounds. Stepper can be quickly detatched for manual focusing. Uses standard 6-wire telephone cable and RJ12 connector. Focuser not included.

Videos of Rigel Systems Focus Motor Products in Action


Stepper for Explore Scientific focuser $203.85
Stepper Motor for Explore Scientific Focusers
Motorize your Explore Scientific focuser with our powerful stepper motor. for the ultimate in accurate auto-focusing. Stepper motor has 0.1 degree step size, easily lifts 8 pounds. Stepper can be quickly detatched for manual focusing. Uses standard 6-wire telephone cable and RJ12 connector. Focuser not included.
 
Stepper for 2" FT focuser $203.85

Stepper Motor for Feathertouch Dual Speed Focusers
Motorize your Feathertouch dual speed focuser with our powerful stepper motor. for the ultimate in accurate auto-focusing. Stepper motor has 0.1 degree step size, easily lifts 8 pounds. Stepper can be quickly detatched for manual focusing,. Uses standard 6-wire telephone cable and RJ12 connector. Focuser not included.

 


Stepper for GSO Classic focuser $203.85

Stepper Motor for GSO Classic Focusers
Motorize your GSO Classic focuser with our powerful stepper motor. for the ultimate in accurate auto-focusing. Stepper motor has 0.1 degree step size, easily lifts 8 pounds. Stepper can be quickly detatched for manual focusing. Uses standard 6-wire telephone cable and RJ12 connector. Focuser not included.

 
Stepper for GSO LF 2" and 3" focuser $203.85
Stepper Motor for GSO LF 2" and 3" Focusers
Motorize your GSO LF focuser with our powerful stepper motor. for the ultimate in accurate auto-focusing. Stepper motor has 0.1 degree step size, easily lifts 8 pounds. Stepper can be quickly detatched for manual focusing, or switching to our dc motor for nFOCUS control. Uses standard 6-wire telephone cable and RJ12 connector. Focuser not included.

Stepper for Televue focuser $203.85
NStepper Motor for Televue Focusers
Motorize your Televue Rack & Pinion focuser with our powerful stepper motor. for the ultimate in accurate auto-focusing. Stepper motor has 0.1 degree step size, easily lifts 8 pounds. Stepper can be quickly detatched for manual focusing. Uses standard 6-wire telephone cable and RJ12 connector. Focuser not included.
 
Stepper for 2" and 3" UO focuser $203.85
Stepper Motor for UO Dual Speed 2" and 3" Focusers
Motorize your UO (StellarVue and others) dual speed focuser with our powerful stepper motor. for the ultimate in accurate auto-focusing. Stepper motor has 0.1 degree step size, easily lifts 8 pounds. Stepper can be quickly detatched for manual focusing. Uses standard 6-wire telephone cable and RJ12 connector. Focuser not included.
2: Select usb-nSTEP controller

usb-nSTEP -- Computerize your Stepper Focus Motor
pc & wifi

Fully ASCOM compliant so it will work with popular focus control programs. Can be operated for temperature compensation with the optional temperature sensor (below). Full step and half step control from computer and display of step count. USB and 12V battery power cables included. Software and ASCOM drivers for Windows xp/vista/7 and . Apporximately 1.5 inches wide by 4 inches long by 0.5 inches thick.

Compatible with Rigel Systems, Feathertouch, Robofocus & Moonlite stepper motors (please identify your stepper motor when purchasing).

Available in 3 configurations

Scroll down for package deals.

wifi for android & iphone


Fully control your focuser from your iphone or android

usb-nSTEP
basic pc
Full control of your focuser from your PC



$147.95
(focuser, stepper motor and pc not included)

usb-nSTEP
pc & wifi
Full control of your focuser from your PC or manually using your phone. No PC required for for manual-only operation, just the 12V DC stepper motor supply. Full configuration, speed adjustment from your android or iphone

$219.95
(focuser, stepper motor, phone and pc not included).

usb-nSTEP
pc or buttons & wifi
Full control of your focuser from your PC or manually using buttons or phone. No PC required for manual-only operation!No PC required for for manual-only operation, just the 12V DC stepper motor supply. Full configuration, speed adjustment from your android or iphone.

$259.95
(focuser, stepper motor, phone and pc not included)

Package Deals

usb_nSTEP basic
& a Stepper

order on our website and get a free temperature sensor!

for Celestron CPC or HD focuser
$351.90

for Explore Scientifc focuser
$351.90

for GSO Classic focuser
$351.90

for GSO LF 2" and 3" focuser
$351.90

for FT 2" focuser
$351.90

for TV focuser
$351.90

for UO 2" and 3" focuser
$351.90

usb_nSTEP & wifi
& a Stepper

order on our website and get a free temperature sensor!

for Celestron CPC or HD focuser
$423.90

for Explore Scientifc focuser
$423.90

for GSO Classic focuser
$423.90

for GSO LF 2" and 3" focuser
$423.90

for FT 2" focuser
$423.90

for TV focuser
$423.90

for UO 2" and 3" focuser
$423.90

usb_nSTEP with buttons & wifi
& a Stepper
order on our website and get a free temperature sensor!

for Celestron CPC or HD focuser
$463.90

for Explore Scientifc focuser
$463.90

for GSO Classic focuser
$463.90

for GSO LF 2" and 3" focuser
$463.90

for FT 2" focuser
$463.90

for TV focuser
$463.90

for UO 2" and 3" focuser
$463.90

 

3: Select an accessory


Temperature Sensor
$21.95
Temperature Sensor--
Add Temperature Compensation to Focusing:
Telescopes change focus as temperature changes expand/contract the length of the telescope tube as temperature increases/decreases. Adding the external temperature sensor to the usb-nSTEP allows your autofocus software to and automatically compensate for these temperature changes. Unlike internal temperature sensors located inside the controller that are affected by the heat generated by the electronics, the external temperature sensor can be attached to the telescope to get a more accurate measurement of the ambient temperature.
 
Plug In Power Supply
$19.95
NEW ! 12V 1A DC switching power adapter
Prefer plugging your equipment into a 120V AC electrical socket? Our wall adapter provides 1A of 12VDC to run your stepper motor with power to spare.

4: Download software for WINDOWS or MAC

usb-nSTEP software for WINDOWS

manual for WINDOWS

with Buttons manual for WINDOWS

NEW ! usb-nSTEP software for MAC

manual for MAC

with Buttons manual for MAC