Products

This Antares ND9 (neutral density 0.9) gray filter reduces the brightness and glare that can mask low contrast details during lunar and planetary o...

This 2” dielectric mirror-type star diagonal is an outstanding value. At this low price, if there ever was a bargain in astronomy, this is it. This...

This 2" dielectric mirror-type star diagonal is designed to give you first-class performance with a Schmidt-Cassegrain - at a money-saving and far ...

This Astro-Tech 2” 13% transmission neutral gray filter reduces the brightness and glare that can mask low contrast details during lunar and planet...

New for August 2021, thread on adatper tops to choose between 42mm T-threads and 48mm T-threads. Named a Sky & Telescope Hot Product of the Yea...

The 100° apparent field of the Astro-Tech 20mm waterproof 2" eyepiece provides superb maximum field/medium power observing in all scopes, from smal...

This exceptional Celestron 19mm Luminos ultra wide field 2" eyepiece uses six optical elements for optimized performance across a very wide and fla...

Enjoy better views through your telescope with this premium diagonal featuring diffraction-limited optics and dielectric coatings Ensure maximum li...

This Celestron 2" mirror star diagonal for catadioptric telescopes has Starbright XLT enhanced aluminum multicoatings for a reflectivity of better ...

This 2" Celestron Luminos 23mm eyepiece is a six-lens design with a very wide 82° field and minimal field curvature. This makes it particularly wel...

This 2" Celestron 31mm Luminos is an excellent low power eyepiece with an exceptionally wide field of view, one so wide you have to move your head ...

This new Celestron 2" Oxygen III light pollution line filter isolates the two glowing emission lines of doubly-ionized oxygen (at 4959 Ångstroms an...

This 2.5x magnification Celestron Luminos 2" Barlow uses a four-lens fully multicoated optical system to provide a flat field and apochromatic-qual...

Highlights Ultra-long 56mm focal length provides low power views in telescopes with a long focal length, perfect for viewing wide-field deep sky o...

This filter is designed to specifically enhance your Origin experience. Get the Most Out of Your Origin: Enhance your Celestron Origin’s views an...

Highlights 30mm parfocal Ultra Flat Field eyepiece designed for 2” focusers Incredibly crisp views from center to edge of field Fully multi-coated...

This 2" 12mm 92° field Explore Scientific hyper-wide eyepiece provides an exceptionally immersive medium/medium high power observing experience. Yo...

You may be startled at the amazingly wide expanse of inky black sky that greets you when you first look into the 92° field of this Explore Scientif...

2" Diameter Filter Works best in 6-8 inch telescopes Get more out of your lunar observing This Explore Scientific ND9 neutral gray filter reduces...