This 105mm ID Pair of Orion Guide Scope Rings will attach to a mounting plate for Orion guidescopes of up to 80mm aperture. Each ring has three black nylon alignment screws which will not scratch the guidescope finish.
The Orion ShortTube 80 is perfect being used as a guide scope with a CCD autoguider. It is a compact scope with optics that deliver bright wide-field images. This product is just the tube assembly with no accessories.
The Orion StarShoot is an easy-to-use, affordable autoguider for long-exposure astrophotography. Plug it into an autoguider port on your mount and let it do the work for you. It comes with the software and cables needed to work right out of the box!