Products

The EdgeHD optical system takes all of the compact power popularized by the SCT and combines it with an improved high definition optical system for...

  Experience our best optical performance with EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics for pinpoint stars all the way to the edge...

With more than 1 million copies sold worldwide, The Elements is the most entertaining, comprehensive, and visually arresting book on all 118 elemen...

Conceived in a dream in July 1948, Paul Fisher was soon machining a new pen design shaped from solid aluminum. It became the first Fisher ball poin...

Works on AZ-EQ-5, EQ6 and EQ6-R mounts. 11lbs.

It has a cylindrical recess to accept the mounting post on the bottom of the EQ6R-Pro mount head. An included bolt is used to secure the mount to t...

Until now, most planispheres were designed for either the northern or southern hemispheres exclusively. Now, this star chart works for those living...

Triplet super-apochromatic design Three-element, air-spaced optical assembly virtually eliminates false color 100mm aperture, 550mm focal length, ...

Triplet super-apochromatic design Three-element, air-spaced optical assembly virtually eliminates false color 120mm aperture, 840 focal length, f/...

Triplet super-apochromatic design Three-element, air-spaced optical assembly virtually eliminates false color 150mm aperture, 1050mm focal length,...

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

The Starizona EvoFF field flattener turns the Skywatcher Evoguide 50 into a sharp, portable, wide-field imaging scope. The EvoFF has also been test...

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.

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...