Celestron TrailSeeker ED Binocular 10x42

The Celestron TrailSeeker ED Binocular 10x42 feature Extra-Low Dispersion (ED) glass which virtually eliminates chromatic aberration, also known as color fringing, a visual defect common in binoculars. TrailSeeker ED delivers edge-to-edge sharpness with excellent color correction and razor-sharp images.Not all ED glass is created equal. Celestron