Explore Scientific is an American astronomy and optics company founded in 2008 by Scott W. Roberts, following more than two decades in the telescope industry. The company has become particularly well known for making sophisticated optical equipment accessible to amateur astronomers, with its ultra-wide-field eyepieces being among its most distinctive products.
The 82° and 100° eyepiece series deliver exceptionally immersive fields of view, allowing observers to frame large deep-sky objects beautifully and making it easier to use averted vision when searching for faint detail. Their optical designs combine low-dispersion and high-index glass with advanced multi-layer coatings and carefully blackened internal surfaces for high contrast and controlled stray light.
Explore Scientific also takes an unusually robust approach to eyepiece construction. The waterproof ranges are sealed and purged with dry argon, preventing internal fogging and protecting the optics from dust and moisture while helping preserve the coatings. The 100° series is even tested for water resistance by submersion to one metre for 30 minutes.
The result is a brand particularly valued for wide-field visual observing, optical performance, rugged construction and excellent value.
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