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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...

Measures the sunburning portion of the UV spectrum. Allows you to display UV index, dose rate, and daily and accumulated dose. Multi-layer filter p...

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...

The Kowa TSN-99S PROMINAR is the flagship of Kowa's spotting scope line, built around a large 99 mm pure fluorite crystal objective lens paired wit...

Meet ASTM D3578-0, ISO 2859-1 standards. Component materials comply with FDA & CFIA regulations. Offers protection and designed with film thick...

The smc PENTAX XW series is a line of premium wide-angle eyepieces for astronomical telescopes and large spotting scopes, available in focal length...

Add USB Data Logger to your Vantage Vue/Vantage Pro2 console or Weather Envoy, and view data on your PC with WeatherLink Computer Software (downlo...

Heavy-wall filtering flasks — also called Büchner or vacuum flasks — made from borosilicate glass. The side arm connects to a vacuum source to draw...

The ZEISS Conquest Gavia 85 is a compact, lightweight 30-60x85 spotting scope built for the field. An HD lens system and precision roof prisms deli...

SkyMaster Pro binoculars are the ideal choice for amateur astronomers or anyone who observes at great distances. Every air-to-glass surface is mult...