Products

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...

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—...

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

  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...

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’s iconic “orange tube” design is updated with all the latest features to provide the best stargazing experience for beginners and experi...

Celestron’s iconic “orange tube” design is updated with all the latest features to provide the best stargazing experience for beginners and experi...