The DCF SP series of binoculars, has all the quality features you'd find in higher-priced models at a fraction of the cost. The exceptional image quality and edge-edge sharpness comes from a long list of outstanding features including an inner-focus optical design incorporating hybrid aspherical eyepiece lenses, high-resolution phase-coated roof prisms, hydrophobic coating on exposed objective and eyepiece lenses, and multi-coated optical elements. Coupled with a magnesium-alloy body with JIS Class 6 waterproof construction, these high-performance models are the only choice for discerning users with uncompromising standards. Perfect for a wide variety of applications such as close-up viewing and use in less-than-ideal weather conditions.