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Sky & Telescope called it a Hot Product. Years of owner reviews later, the AT60ED has earned that reputation many times over. This is a 60mm f/...

ZWO EAF 5V Electronic Automatic Focuser – Precision at Your Fingertips If you’ve ever struggled with getting that perfect focus during an imaging s...

There's a moment in every refractor owner's life when the view snaps into focus and the background goes black — truly black, the way only a well-co...

This Product Has Been Discontinued.  This Page Is Here For Informational Purposes Only. The AT70ED delivers genuine ED glass performance at an hone...

Ten millimeters splits the difference between deep-sky and planetary magnification — high enough to resolve globular clusters and show structure in...

Four millimeters is the extreme end of useful magnification in a 1.25" eyepiece — the one you reach for when the atmosphere is dead calm and the pl...

The 13mm is the transition point — high enough magnification to show real detail in globular clusters and planetary nebulae, low enough to hold a u...

Five inches of ED triplet aperture is where a refractor stops feeling small. The AT130EDT combines a 130mm f/7 triplet objective, a heavy-duty 3.2-...

Explore Scientific iEXOS-100 PMC-Eight Equatorial Tracker System The Explore Scientific iEXOS-100 PMC-Eight™ Equatorial Tracker System is a portabl...

Sixteen millimeters is the all-rounder focal length in a 1.25" barrel. In a 10-inch f/5 Dob, it gives you 78x — high enough to darken the sky backg...

This Explore Scientific 24mm argon-purged eyepiece has a wide 68° field that gives impressively sharp and contrasty medium power images with virtua...

Most first telescopes fail in the same two places: a shaky mount and disappointing optics. The Spectrum 70mm Maksutov-Cassegrain avoids both. It's ...

This Product Has Been Discontinued.  This Page Is Here For Informational Purposes Only. Most small refractors ask you to buy a separate field flatt...

The "picture window on space" viewing experience of this 82° field Explore Scientific 11mm 1.25" argon-purged eyepiece gives you the magnification ...

This Product Has Been Discontinued.  This Page Is Here For Informational Purposes Only. The AT125EDL occupies a rare middle ground: it's large enou...

This 82° field Explore Scientific 30mm 2" argon-purged waterproof eyepiece gives you the big picture, making you feel like you're relaxing in front...

The NexStar 8 SE gives you 21st century technology for less than the price of a 1984-model scope. It combines Celestron's classic orange and black ...

This Universal Astro 2" to 1.25" eyepiece adapter lets you use 1.25" accessories in a 2" focuser or star diagonal . .  This Universal Astro 2" to 1...

The Explore Scientific 9mm argon-purged waterproof 2" eyepiece combines a high power capability with a 100° apparent field to provide a jaw-droppin...

This 82° field Explore Scientific 24mm 2" argon-purged waterproof eyepiece makes observing feel like you're relaxing in front of a picture window o...

The solid and stable Explore Scientific Twilight I light-to-medium-duty altazimuth mount and tripod has geared slow motion controls.  It weighs onl...

The 100° apparent field of this Explore Scientific first-of-its-kind 25mm argon-purged waterproof 2" eyepiece provides superb maximum field/medium ...

This Explore Scientific 16mm argon-purged eyepiece is a truly fine medium power eyepiece with a substantial 68° field of view that can provide a co...

These split and hinged UA 79mm i.d. optical tube mounting rings are made of solid aluminum, anodized black for long life. They are felt-lined and h...