On Sale

Find current deals on telescopes, eyepieces, binoculars, microscopes and astronomy accessories from Explore Scientific, Explore One, National Geographic and Alpen Optics. This collection gathers all of our on-sale products in one place, so you can save on quality optics for stargazing, birding, science and outdoor adventure.

Sale items can include beginner telescopes and refractors, Dobsonian telescopes, waterproof eyepieces, kids microscopes, binoculars and accessories such as filters, diagonals and finders. Shopping a sale is a great opportunity to upgrade your telescope, add eyepieces to fill gaps in your collection or pick up a gift for a curious kid or astronomy enthusiast.

Sale pricing and availability change frequently and items can sell out quickly, so check back often for the latest telescope deals and astronomy savings. When comparing deals, consider aperture, mount type and included accessories to find the best value for your observing goals.