Products

Honders Advanced Catadioptric optical design Radiant Aluminum Quartz (RAQ)™ mirror coatings Wide-open 250mm focal length FAST f/2 focal ratio 5-in...

Designed for attaching a Nikon DSLR camera to any of the Sky-Watcher 0.85x Focal Reducer/Correctors. M48 rings are used for larger format imaging....

This power adapter converts the standard Sky-Watcher aviation power adapter port into the more common female 2.1 x 5.5mm female adapter.

Overview 205mm aperture, 800mm focal length Fast f/4 focal ratio Parabolic mirror designed for imaging with 94% reflectivity 10:1, dual-speed, 2-i...

305mm aperture, 1200mm focal length Fast f/4 focal ratio Parabolic mirror designed for imaging with 94% reflectivity 10:1, dual-speed, 2-inch Cray...

Overview f/4 ED coma corrector FPL51 and Schott glass Optimized for Quattro imaging Newtonians Requires 55mm backfocus Delivers stunning wide-fi...

  254mm aperture, 1000mm focal length  Fast f/4 focal ratio Parabolic mirror designed for imaging with 94% reflectivity 10:1, dual-speed, 2-inch C...

0.85x Focal Reducer/Corrector for Sky-Watcher Evostar 120 ED APO is designed for serious Astro-Imagers. Optimized for the Sky-Watcher Evostar 120 E...

0.85x Focal Reducer/Corrector for Sky-Watcher Evostar 100 ED APO is designed for serious Astro-Imagers. Optimized for the Sky-Watcher Evostar 100 E...

  Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings Corrector plate f...

  Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings Corrector plate f...

  Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings Corrector plate f...

  Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant Aluminum Quartz™ (RAQ™) coatings Corrector plate fe...

  Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings Corrector plate f...

The Sky-Watcher SolarQuest solar tracking mount is lightweight and ridiculously easy to use. No need to worry about aligning your equipment the ni...

Star Adventurer 2i multi-function equatorial tracking mount with built-in Wi-Fi control  11-pound payload capacity  Dec bracket included  Built-i...

Star Adventurer 2i multi-function equatorial tracking mount with built-in Wi-Fi control  11-pound payload capacity  Ball head adapter included  ...

Star Adventurer 2i multi-function equatorial tracking mount with built-in Wi-Fi control 11-pound payload capacity Ball head adapter, Dec bracket,...

Ball head adapter for Star Adventurer mount.

Counterweight kit for Star Adventurer mount.

Dec bracket for Star Adventurer mount w/ slow motion dec adjustment knob.

Latitude (EQ) Base for Star Adventurer mount.

Star Adventurer Mini and Star Adventurer accessory. Adds 8.5" extension • Also compatible with Star Adventurer GTi, AZ-GT series, and AZ5.

  190mm working aperture, 1000mm focal length, f/5.3 focal ratio  Virtually perfect Maksutov-Newtonian optical design: no coma corrector or field ...

42,000 object data base Built-in USB-B 2.0 port for easy control via PC or firmware updates Only compatible with Sky-Watcher SynScan mounts In...

Wave 100i GoTo strainwave head EQ and AZ modes Weighs 9.5 pounds (4.3kg) 22-pound (10kg) payload capacity without optional counterweight 33-pound ...

Wave 150i GoTo strainwave head EQ and AZ modes Built-in cable management Weighs 12.8 pounds (5.8kg) 33-pound (15kg) payload capacity without optio...

High-strength carbon fiber tripod for Wave mounts  29-inch (747mm) maximum extended length  19.7-inch (500mm) minimum retracted length  44-pound (...

Stainless steel counterweight kit for Wave mount heads  Counterweight bar: 0.79-inch (20mm) diameter x 12.4-inch (314mm) length, 1.6-ppound (.72kg...

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...

  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...