![]() ![]() ![]() Prisms are treated with proprietary Zeiss dielectric coatings for “phase correction,” and more than 70 layers are applied to prevent light loss in the elaborate prism systems. Though popular, roof prisms can create distorted imagery and again, Zeiss coatings come to the rescue. ![]() The Schmidt-Pechan roof prism used in Conquest HD models is a proven design that is used by a number of other companies in the production of lightweight, compact roof prism binoculars. This is further evidence that the ED glass and its coatings are top-notch. In bright light, I was unable to detect “fringing” from chromatic aberration – which is the inability of a lens to bring all the wavelengths of color together. Contrast immediately improved however, and varying shades of color became apparent, with the very first rays of natural light. Images were remarkably crisp and bright, considering there was little ambient light and not much contrast between the brownish-gray animals and the dry grass and brush. Well before daylight we located a pair of yipping coyotes with the Conquest HD’s that were feeding on a grassy open plain more than 500 yards distant. This was evident while scouting for turkeys early one morning. Zeiss invented its anti-reflective T* coating more than 80 years ago, and continual refinement insures that unique Zeiss brightness and high-contrast images. The Schott/Zeiss ED glass provides excellent resolution of details, and facilitates both brightness and color distinction, achieved through hydrophobic multi-coatings.
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