Accessories on Sale

Save on the telescope accessories that make every observing session better. This collection features discounted Explore Scientific accessories such as filters, star diagonals, finders, focal extenders, cases and astrophotography adapters.

Accessories are one of the most cost-effective ways to improve your telescope's performance. A dielectric diagonal brightens views, a nebula filter boosts contrast on emission nebulae, a focal extender expands your magnification range and a better finder helps you locate targets faster. For astrophotographers, camera adapters and T-rings complete the imaging train.

Sale items and quantities change often, so check back regularly for the latest accessory deals. Confirm sizes and compatibility, such as 1.25-inch or 2-inch fittings, before purchasing.