Products

The Feathertouch 3.5" focuser is the industry standard for a high-quality, large focuser and is included as standard equipment or an optional upgra...

Starizona is pleased to announce a new, low-profile motor for our popular MicroTouch Autofocuser. The MicroTouch works with any Feathertouch Focuse...

Extra stepper motor for the MicroTouch Autofocuser. This motor fits all current model Sky-Watcher USA refractors using 2", 2.7" or 3" focusers, inc...

Extra stepper motor for the MicroTouch Autofocuser. This motor fits the standard Stellarvue focusers that have a 25mm mounting diameter. A larger s...

Extra stepper motor for the MicroTouch Autofocuser. This motor fits the newer Stellarvue focusers (including the 2.5") that have a 33mm mounting di...

Extra stepper motor for the MicroTouch Autofocuser. This motor fits Takahashi FSQ-106 and FSQ-85 models with 2-speed focuser. The stepper drives th...

Have a Modular Filter Slider but need to change the attachment threads?  We got you covered.  These plates can be used on both the top and bottom o...

Four great Moon filters in one kit—everything you’ll ever need for optimal views of the lunar surface Three neutral density (ND) filters with dif...

Since publication of the first edition of this book, we have enjoyed more than a decade of new readings and images taken by shuttles, rovers, and ...

For over 50 years, Fisher Space Pen has been proud to have our technology approved and used on every crewed flight into space since 1967 with NASA....

The most comprehensive field guide available to the fabulous mysteries above—a must-have for any enthusiast's day pack or home library—from the go-...

A portable, comprehensive field guide—brimming with concise descriptions and stunning color photographs, and designed to fit into your back pocket—...

Revel in the skies above with this handy stargazing guide, complete with constellation charts and expert tips for observing—and understanding—the w...

• Waterproof • Tear-Resistant • Stargazer Map and Guide Every culture has drawn pictures in the stars, creating constellations that represent anima...

• Waterproof • Tear-Resistant • Stargazer Map and Guide Every culture has drawn pictures in the stars, creating constellations that represent anima...

From dazzling gemstones to sparkling crystals to molten lava, this brilliantly illustrated book introduces children to the exciting world of rocks ...

• Waterproof • Tear-Resistant • Stargazer Map and Guide The Moon's mystique for ancient cultures might have lain in its unchanging aspect as it tra...

• Waterproof • Tear-Resistant • Stargazer Map and Guide The name Solar System is derived from "Sol" or sun, and describes our planetary system orbi...

Special edition National Park Foundation wrap on optical tube Lightweight and portable, a great grab-and-go telescope Simple design makes it easy ...

  BaK-4 Prisms w/ Phase Coating: Increases contrast and resolution for sharper more detailed images Fully Multi-Coated Optics: Allows maximum ligh...

Designed with the outdoor enthusiast in mind, waterproof and fully rubber armored Phase coated BaK-4 prisms for increased contrast and resolution ...

Designed with the outdoor enthusiast in mind, waterproof and fully rubber armored Phase coated BaK-4 prisms for increased contrast and resolution ...

Celestron’s new Nature DX Series is the perfect companion for the outdoors lover. These affordable yet feature-packed binoculars are designed speci...

Celestron’s new Nature DX Series is the perfect companion for the outdoors lover. These affordable yet feature-packed binoculars are designed speci...

Extra-Low Dispersion (ED) objective lenses provide high resolution, high contrast images virtually free of optical defects like chromatic aberrati...

Did you know culinary salt is the mineral halite? Or that the pigment vermillion is powdered cinnabar, a mineral whose name comes from the Persian ...

Did you know culinary salt is the mineral halite? Or that the pigment vermillion is powdered cinnabar, a mineral whose name comes from the Persian...

Get the Most Out of Your Origin: Enhance your Celestron Origin’s views and images of nebulae—especially from urban and suburban skies. This filt...

A complete digiscoping solution: NexGO connects your smartphone to an eyepiece while the Bluetooth shutter release button helps you get a steady ...

A complete digiscoping solution: NexGO connects your smartphone to your optic eyepiece NexGO’s design works with most optics including telescopes...

High quality 130mm Newtonian Reflector Fully computerized Altazimuth mount StarPointer™ red-dot finderscope to help with alignment and accurately...

Celestron is pleased to announce the new NexStar SE Telescope Series! In the tradition of Celestron's famous orange optical tubes, the new NexStar ...

  The world’s most beloved telescope! The classic, 8-inch Schmidt-Cassegrain revolutionized amateur astronomy in the 1970s. Now, the iconic “orang...

  Explore the Universe and control your NexStar Evolution telescope with the free Celestron SkyPortal Powered by SkySafari app for iOS and Android...

OVERVIEW 8” EdgeHD Optics: Provides superb visual and astro-imaging performance, free of coma and field curvature. Rechargeable lithium-iron bat...

The Evolution Bracket tilts the hand controller at a convenient 30-degree angle, making it easy to read the LCD and use the controller even while i...

The NexStar SE Bracket tilts the hand controller at a convenient 30-degree angle, making it easy to read the LCD and use the controller even while ...

This part is used to replace the removable lip on the newer model Starizona Nexus 0.75x coma corrector, providing a male M54 thread for a direct th...

The NexYZ 3-Axis Universal Smartphone Adapter is a great first step into the world of astroimaging or digiscoping. The NexYZ provides you everythin...

A complete digiscoping solution: NexYZ connects your smartphone to an eyepiece while the Bluetooth shutter release button helps you get a steady ...

*** Currently Unavailable - Working on new regular and HD ***   With the 0.4x focal reduction factor, the field of view becomes 2.5x wider and expo...

Make Stargazing More Fun Than Ever!Stargazing is among the most peaceful and inspiring outdoor activities. Night Sky, the award-winning book by Jon...

Updated star maps include all sky events occurring in 2017 and beyond. Praise for the previous edition: "A concise introduction to the night sky ...

Play Cards and Learn to Identify Constellations in the Northern Hemisphere! Anyone who enjoys nature, the great outdoors, and stargazing will love...

A red flashlight is one of the most beneficial accessories you can own as an amateur astronomer, no matter how occasional your night sky observatio...