Observation

Cut through light pollution and boost nebula contrast with the Celestron UHC/LPR (Ultra High Contrast / Light Pollution Reduction) filter. This 1.2...

Reveal the faint detail of planetary and emission nebulae with the Celestron Oxygen III (OIII) narrowband filter. This 2" filter isolates the doubl...

Reveal the faint detail of planetary and emission nebulae with the Celestron Oxygen III (OIII) narrowband filter. This 1.25" filter isolates the do...

*** PRICE IN US DOLLARS***

Adapts your 2', focuser directly to M42 T-Thread.Threaded for filters The product may be different from the image.

 Adapts your 1.25'' focuser directly to M42 T-Thread. Threaded for filters.

Combination camera adapter for 1.25" that allows for both direct and eyepiece projection photography. Threaded for filters.

The ZEISS Victory SF 8x42 is the flagship binocular for birding and wildlife observation, combining a completely new triple-link bridge design with...

The VANGUARD ENDEAVOR XF 15-45X60 ANGLED is a compact, lightweight spotting scope built around a 60 mm objective and a BaK4 roof prism. Its straigh...

Designed for workhorse reliability and no-nonsense performance, the Vortex Diamondback HD 20-60x85 straight spotting scope delivers sharp images an...

The Kowa TSN-88S PROMINAR is built around an 88 mm pure fluorite crystal objective lens, the optical powerhouse at the heart of Kowa's flagship opt...

The Kowa TSN-88A PROMINAR is built around an 88 mm pure fluorite crystal objective lens, the optical powerhouse at the heart of Kowa's flagship opt...

The most compact model in Celestron's Ultima series spotting scopes, the 65mm refractor features a 45-degree viewing angle and excellent multi-coat...

The largest aperture scope in the Ultima line, the 100mm Ultima offers more than 50% brighter images than the 80mm, allowing for better performance...

The Ultima 20-60x80mm offers a step up in aperture from the 65mm model, delivering brighter images. This 80mm refractor features excellent multi-co...

The VANGUARD ENDEAVOR HD 20-60X82 ANGLED spotting scope delivers bright, high-resolution images for long-range observation. Its large 82 mm objecti...

Features 80mm ED Glass Doublet 560 mm Focal Length f/7 Excellent for Visual observation or imaging when used with Starfield reducers or flatteners...

The STS 80 HD pairs a large 80 mm objective with a straight-through body for razor-sharp detail and outstanding light-gathering, even at high magni...

Taking functionality to a new level, the ATX/STX/BTX spotting scope system combines exceptionally flexible modularity with optical perfection. The ...

The BTX combines the visual power of both eyes with a revolutionary viewing experience. Pairing the binocular BTX eyepiece module with the 95 mm ob...

The Regal M2 spotting scope series is the next generation of Celestron's top-performing Regal F-ED spotting scopes. Day or night, the Regal M2 is o...

The Nikon Monarch Fieldscope 82ED-A is an angled 20-60x82 spotting scope built around an 82 mm ED (extra-low dispersion) objective that suppresses ...

Celestron Mini Maks bring portability and versatility together. The Maksutov optical design is recognized for being compact, easy to use, and suita...