From Telescope Tripods for support to Observatory Domes for enhanced observing, OPT has what you need and so much more! Either a tripod or a pier is necessary for almost any kind of astronomy setup involving a mount and a telescope. Ensure you're well equipped by taking a look at the full range of options we offer. They might be accessories, but they are also essential to your astronomy experience. The same can be said of other mount accessories such as dovetail plates, counterweights, and other similar products.