Products

  Align and control your telescope wirelessly using your smartphone or tablet with Celestron’s exclusive, free SkyPortal Powered by SkySafari™ app...

Fully Automatic Alignment Procedure Fully Computerized Altazimuth Mount Quick-Release Fork Arm Mount and Optical Tube for Easy, Quick No Tool Set ...

Works on all Celestron Computerized Telescopes!Improve the accuracy of your initial star alignments by plugging in the GPS module into your telesco...

New ED doublet apochromatic optical design New lightweight, compact design perfect for wide field astrophotography New optical design featuring o...

Author: Richard SpellenbergPaperback: 246 pagesSonoran Wildflowers is the ultimate field guide to wildflowers of North America's most biologically ...

A T-Ring is one of the first accessories you will need to take pictures through a telescope or spotting scope. If you have a Sony E-mount mirrorles...

This richly illustrated folding guide from Waterford Press highlights over 140 familiar and unique species and includes a map featuring prominent b...

The iconic saguaro cactus is one of thousands of species of plants growing in the diverse ecosystems found throughout the southwestern deserts. Thi...

A full-color picture book biography about Bonnie Dunbar, a young girl who made her dream of going to space a reality through hard work and determi...

Reach for the stars with Flash of Brilliance Children really do enjoy learning, especially at a young age. They have a natural curiosity that you c...

Fisher Space Pen’s Sealed Pressurized Ink Cartridge performs in temperatures from -30º F to +250º F, underwater, in zero gravity, at any angle - ev...

2" adapter attaches to standard SCT threads allowing 2" accessories such as diagonals and camera adapters to be attached. Features brass clamp ring.

Star Adventurer Mini and Star Adventurer Tripod. Also compatible with Star Adventurer GTi, AZ-GT series, and AZ5. 

A novel approach to stargazing, this stunning space book features step-by-step guides to identifying the key constellations across the northern hem...

Once installed (see instructions at bottom), the actions appear in the Actions palette in Photoshop and a selected action may be “played” by simply...

With the Apex ED reducer, an f/5.5 apo refractor becomes an incredibly fast f/3.6 astrograph. A slower f/9 telescope like an RC becomes a speedy f/...

The Starizona Balance Box is used to measure the current being drawn by a telescope mount to determine if the mount is properly balanced. With s...

This filter step ring is made specifically with the Starizona Filter Slider system in mind. It steps the M48 threads of a standard 2" filter down t...

This filter step ring is made specifically with the Starizona Filter Slider system in mind. It steps the M48 threads of a standard 2" filter down t...

Holds standard 2" mounted filters with 48mm threads. Be sure to choose the correct version of Filter Slider you have.