JMI MotoFocus Mounting Ring (17462)
JMI MotoFocus Mounting Ring (17462)
JMI MotoFocus Mounting Ring (17462)
JMI MotoFocus Mounting Ring (17462)


JMI MotoFocus Mounting Ring (17462)

Regular price
$ 60.00
Sale price
$ 60.00
Unit price

This item is out of stock but you can place an order now and we’ll ship when it becomes available.


Camera Adapters

How do you attach your camera?

Over the years, Optec has developed dozens of adapters and custom fittings for various cameras and mounts. While most astronomical cameras have a female T-thread mount, many of the larger chip cameras are now being offered with even larger mechanical interfaces, such as the relatively new 3-inch 24tpi female mount available on Apogee, SBIG, and a modified version on the FLI cameras. However, there are a variety of other mounts such as the STL 4-bolt mount.

We classify our camera mounts by the size and shape of the "telescope" side mechanical interface for a typical configuration. These mounts correspond to many of our astronomy products. For example:

  • OPTEC-2300 Camera Adapters for use with the Pyxis rotator, IFW Universal Mounting Ring, and Perseus 4-port parfocalizing rings.
    • The OPTEC-2300 circular dovetail mount is used for the TCF-S focuser and IFW filter wheel to allow easy connections from most any camera. If your scope or accessory is not listed, do not hesitate to call.
  • OPTEC-2380 Mounting Rings are threaded mounts for use with the IFW and MAXfilter systems. 
    • The OPTEC-2380 circular dovetail mount is used for the IFW Intelligent Filter Wheel and Perseus 4-port selector parfocalizing rings to attach most cameras and accessories.
  • OPTEC-3000 Dovetail Mounts for use with the 3-inch TCF-S3, Pyxis 3", and IFW-3.

OPTEC-2380 Camera Adapters - Threaded Mounting Rings

Mounting Ring Adapters for the IFW and MAXfilter 2"

Optec 2.380" Threaded Mounting Ring

#17462 - JMI MotoFocus Mounting Ring

JMI MotoFocus Mount
The #17462 JMI MotoFocus mount screws directly onto the back of the JMI NGF line of motorized focusers and presents the OPTEC-2300 dovetail for attachment of IFW and MaxFilter systems.


  • Outside Diameter:  2.45" (62.2mm)
  • Overall Height: 0.78" (19.8mm)
  • Clear Aperture:  1.9"  (48.3mm)
  • Weight: 1.76 oz (49.9 g)
  • Back-focus Usage: 0.1" (2.54mm)
  • Telescope Side Connection:  OPTEC-2380 Thread for IFW
  • Camera Side Connection::  JMI NGF-S dovetail

Personal Upgrade Path

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