From Amateurs To Experts, Astrophotographers choose OPT Telescopes for all of their needs. Shop OPT for the best telescopes & customer service!

Whether you’re an armchair astronomer or a seasoned stargazer, our Used Telescopes shop makes it easy to save money without sacrificing quality. This selection goes far beyond telescopes — you’ll likely find mounts, filters, cables, autoguiders, cameras, tripods, and more in …

OPT has telescope eyepieces for every astronomer! Long eye relief for comfort, wide angle for field of view, zoom for convenience & reticle for precision.

OPT has the largest selection of telescope mounts worldwide including Alt-Azimuth, Equatorial, Computerized, and Manual styles. OPT has got you covered!

Telescope eyepieces focus light that is collected by a telescope, so you can observe a sharp view of the object that the telescope is pointing at. It may seem like a small link in the chain, but it has a huge effect on your telescope's optical system, and finding the right eyepieces will greatly enhance its potential.

Find the best deals on refractor telescopes including Apochromatic. Achromatic, Doublet, Triplet, and Petzval designs. Shop at OPT for the best prices!

Solar Telescope Filters. Solar Filters are a great way to view the Sun without investing too much in a specialized telescope; you can simply find the correct solar filter for the telescope you already have, and keep using that scope you're comfortable with to view the Sun.

The Antares Moon Filter was designed for 2" optics. Fully threaded. The Antares Moon Filter offers 13% light transmission.

Orion Paragon Plus Binocular Mount with Tripod - $279.99. The Orion Paragon Plus Binocular Mount with Tripod is designed for astronomy binoculars, with features that provide the best night sky viewing experience. The Orion Paragon Plus is a sturdy setup that eliminates arm strain and shakiness and stays fixed on a target even when binoculars are raised and lowered — a handy feature when ...

Reflector telescopes refers to any optical design that uses one or more curved mirrors to reflect light and form an image. Find the best deals at OPT!