Hawke · Roof Prism · Manual Focus · 8x magnification · 32 mm objective diameter · 16 mm eye relief · Waterproof Using a superior optical system and high-grade materials the Frontier series produce stunning colour retention crisp definition and excellent light transmission. You are sure to be blown away by their performance in the field. Frontier ED X models benefit from Extra-low Dispersion glass and first class coatings throughout which are clear to see. Controlled chromatic aberration eliminates colour fringing allowing all detail to be clearly visible. All Frontier binoculars pass through a strict quality control inspection to ensure all aspects match design intent.