Pentax SD 10×42 ED Binoculars

The Pentax SD 10×42 ED binocular incorporats a large, 42-millimeter diameter objective lenses in a dependable, waterproof body, delivering a sharp, high-contrast image even in unfavorable lighting conditions, such as in twilight.

They also incorporate ED (Extra-low Dispersion) optical elements for effective compensation of chromatic aberration — for the first time in S-series models — to deliver a clear view of the image field rivaling that of upper-class models