Products

Extension tube for Wave carbon fiber tripod  7-inch (180mm) length  3.9-inch (100mm) radius  Weighs 2.4 pounds (1.1kg) Carbon Fiber Tripod not inc...

DUAL Ultra-bright LEDs -- The best and the brightest with lifetimes of 100,000+ hours, never break, and provide smoooth illumination.Thumbwheel Bri...

DUAL Ultra-bright LEDs -- The best and the brightest with lifetimes of 100,000+ hours, never break, and provide smoooth illumination.Thumbwheel Bri...

12x magnification porro prism binocular Large 60 mm objective lens offers maximum image brightness in low-light conditions Multi-Coated optics for...

15x magnification porro prism binocular Large 70 mm objective lens offers maximum image brightness in low-light and long-range conditions Ultra sh...

20x magnification porro prism binocular Giant 80 mm objective lens offers maximum image brightness in low-light and long-range conditions Ultra sh...

25x magnification porro prism binocular Giant 100 mm objective lens offers maximum image brightness in low-light and long-range conditions Ultra s...

Celestron’s legendary SkyMaster binoculars get an upgrade with ED objective lenses for superior images virtually free of chromatic aberration wit...

WIRELESS TELESCOPE CONTROL: Wirelessly align and control your compatible Celestron computerized telescope using the free SkyPortal Powered by Sky...

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 southwestern deserts are home to hundreds of species specially-adapted to survive in this hot, dry environment. This beautifully illustrated gu...

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...

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...

Space! Jaw-dropping computer-generated illustrations reveal the wonders of teh universe, from the big bang and black holes to space travel. Journey...

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

Full GoTo Flexibility The whole of the sky is now available to you thanks to Star Adventurer GTi ́s full GoTo capabilities. Locating ...

SFull GoTo performance in a portable Star Adventurer mount Lightweight equatorial mount for deep space, widefield, and nightscape astrophotography...