Products

0.92X reduction Compatible with Esprit 70EDX and Evostar 100EDX 44mm image circle Designed for the Sky-Watcher Esprit Esprit 70EDX and the Evosta...

Triplet super-apochromatic design Three-element, air-spaced optical assembly virtually eliminates false color 80mm aperture, 400mm focal length, f...

Designed with the discerning astrophotographer in mind, Sky-Watcher’s top-of-the-line Esprit EDX refractors deliver the kind of imaging performanc...

Designed with the discerning astrophotographer in mind, Sky-Watcher’s top-of-the-line Esprit EDX refractors deliver the kind of imaging performanc...

Designed with the discerning astrophotographer in mind, Sky-Watcher’s top-of-the-line Esprit EDX refractors deliver the kind of imaging performance...

Designed with the discerning astrophotographer in mind, Sky-Watcher’s top-of-the-line Esprit EDX refractors deliver the kind of imaging performanc...

Our 3D printed EvoGuide 50 Clamshell is designed to make it easy to mount the SkyWatcher EvoGuide 50 refractor and a guidescope for wide-field imag...

This 3D printed bracket and mounting ring features a clamshell to hold the EvoGuide 50 OTA, plus a ZWO EAF autofocus motor and accessories such as ...

50 mm apochromatic refractor with matched lens assembly with one ED element 242 mm focal length (f/4.8) 1.25” Helical focuser Finder stalk Vixen-s...

Focus mask for Sky-Watcher Evoguide 50 APO Refractor.

Doublet apochromatic optical design Two-element, air-spaced optical assembly minimizes false color 72mm aperture, 420mm focal length, f/5.8 focal ...

Sky-Watcher Evostar EDX refractors provide the finest images obtainable in their design class. These doublet refractors deliver dramatic, coal-blac...

Sky-Watcher Evostar EDX refractors provide the finest images obtainable in their design class. These doublet refractors deliver dramatic, coal-bla...

Extra 1.75 lb Counterweight for 1/2 x 13tpi threaded rod. Powder coated for added durability. 4″ Round, .5″ thick, Wt 1.75lbs.

Have you ever wished on a shooting star? Shooting stars often appear when the earth passes through the dust and debris left by a passing comet. Exp...

Imagine a world without light. What would it be like? Dark, cold, and lifeless! In Explore Light and Optics! With 25 Great Projects, readers ages 7...

  Huge apparent field of view not only gave the observer a panoramic visual experience, but they relax the eye so the observer could pay attention...

Huge apparent field of view not only gave the observer a panoramic visual experience, but they relax the eye so the observer could pay attention t...

Huge apparent field of view not only gave the observer a panoramic visual experience, but they relax the eye so the observer could pay attention t...

Huge apparent field of view not only gave the observer a panoramic visual experience, but they relax the eye so the observer could pay attention t...

DISCONTINUED 2023*Note that this is a discontinued product. This information is for reference only.   Reveal celestial wonders like the desolate be...

The Explore Scientific 9mm 120° Series eyepiece really is in a class by itself. The 120° apparent field of view is unlike anything you have experie...

Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 92° Series™ eyepieces are hyper-wide class oculars that can transfor...