Fatmingo 10x42 HD Professional Compact Bird Watching Binoculars,Super Clear Obeservation,Great for Hunting Hiking any Outdoor events 10x42 MAGNIFICATION - See objects 10x closer, with a crystal clear range of view. 42mm Fully Multi-coated Lenses: Increases light transmission to allow the most light for the best viewing experience BAK4 ROOF PRISM DESIGN - For streamlined shape and durability.Optimize light transmission up to 99.8% TWIST-UP EYECUPS - Adjustable eye cups that twist up and down for comfortable viewing with or without eyeglasses. CENTER FOCUS - Adjusts the focus of both binocular barrels at the same time. RIGHT EYE DIOPTER - Eliminate misalign while viewing. Located by the right eyepiece FULLY MULTI-COATED PHASE CORRECTION Guarantees You Experience Peerless Resolution, Contrast & Color Fidelity: Flares or Traditional Birding Issues! Central Cavity DESIGN-brings you comfortable holding by one hand,none slip,Great for traverler while on the road.