nSTEP and STEPPER Motor Kits for Camera Lens and Telescope Focus Rings
Picking a solution is easy as
1: Select Belt Drive, Ring Gear or Split Gear
2: Select nSTEP controller
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.

Starfield photographed with
Rokinon 135mm lens using
usb-nSTEP Belt Drive Stepper Focusing
Click on image for more detail

8.71 x 6.04 deg FOV of Orion's Belt to M42
(c) Dr. Max Whitby (astroguides.net) taken remotely at Deep Sky Chile (deepskychile.com) from UK with Samyang 135mm (f2) lens, Astrodon 5nm Ha Filter, ZWO ASI1600mm cooled to -20C
using usb-nSTEP Split Gear Drive Stepper Focusing
Click on image for more detail

1: Select the Right Stepper Motor Kit for You

Motorize your Camera or Telescope focus ring with our powerful stepper motor. for the ultimate in accurate auto-focusing. Stepper motor has 0.1 degree step size. Stepper can be quickly released for manual focusing. Uses standard 6-wire telephone cable with RJ12 connector.

Belt Drive Stepper Kit with Crossbar
$119.95

One belt accommodates a wide range of camera lenses with different focus ring diameters.

Belt easily accommodates a variety of camera lenses with different focus ring diameters.

Kit includes crossbar, stepper and belt.

Camera Lens, Imager, dovetail bar
not included.

Focus Ring Diameter mm

Focus Ring Gear Drive Stepper Kit with Crossbar
$129.95

Tilta Seamless Focus Gear Ring doesn't slip even on stiff focus rings. It is easily stretched and pulled over the camera/telescope focus ring to provide gear teeth that engage with the drive gear on the stepper motor for positive non-slip focusing.

To slip Tilta focus gear over focus ring, front or back optics diameter has to be <= focus ring diameter.

Additional camera/telescopes can be accomodated by purchasing appropriate diameter Tilta Seamless Focus Gear Rings which are inexpensive and available for focus rings up to 92mm diameter. We recommend buying a ring one size below Focus Ring diameter for tight fit.

Kit includes crossbar, stepper and one focus gear ring.

Telescope, dovetail bar
not included

Focus Ring Diameter mm

Split Gear Stepper with ADM R100-100mm Ring
$179.95

Split ring works with very large diameter focus rings and systems with ADM or Losmandy rings. As a split ring, focusing is limited to approximately 300 degrees of rotation.

Additional camera/telescopes with different focus ring diameters can be accomodated by purchasing a new diameter matching Split Gear

Kit includes stepper, ADM ring with Stepper bracket, and one split gear.

ADM ring dovetal adapter, ADM dovetail, telescope, imager and mount not included.

Focus Ring Diameter mm

Computerize your Stepper Focus Motor
from your pc

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/7/8/10.

Scroll down for package deals.

Features

usb-nSTEP
basic (PC only via usb)
Full control of your focuser from your PC


(focuser, stepper motor and pc not included)$149.95

wifi-nSTEP
pc focus via usb or manual using push buttons or Wifi from phone/tablet using browser

(temp sensor, focuser, stepper motor, iphone and ipad not included)
$209.95

usb-nSTEP + nFRAME
PC control of focus and camera rotation
Full control of your focuser from your PC and rotation of camera for frameing (important for mosaics)

Click here to learn more!