Orion OAG Only used for testing, unmarked as new in original box, with instructions.
The Orion Deluxe Off-Axis Guider lets you image and guide simultaneously through the same telescope!
* Eliminates the need for a separate guidescope while imaging, saving equipment weight and setup time
* Imaging and guiding through a single telescope eliminates tracking problems such as differential flexure and mirror shift
* Compatible with autoguiders featuring T-threads or 1.25" nosepiece, as well as 1.25" illuminated reticle eyepieces
* Attaches to any 2" focuser via the included 2" nosepiece, or onto any T-thread equipped rear-cell
* Includes T-extensions of three different lengths (7mm, 17mm, and 30mm) to accomodate different camera/guider combinations
* Features prism tilt adjustment and more than 100 degrees of radial adjustment for easy guide star location
* Built-in coarse and helical fine-focus adjustments allow focus of autoguider relative to camera
* Requires a minimum of 59mm inward focus travel
Bintel has it at $169 + freight
Asking $100 + $20 Express Freight