CANON BINOCULARS 12 X 36IS II W/IMAGE STBL IS II W/IMAGE STBLLight and compact image stabilizer binoculars feature Canon's Vari-Angle Prism14.5mm long-eye relief and wide-field viewing optics with wide, extra-bright field-of-viewMulti-coated Canon optics including doublet field flattener for excellent edge-to-edge sharpness and contrastPower-saving design allows for up to 4 hours of continuous useCompact roof prism design with center focus for one-hand operationWater-resistant non-slip rubber coatingUses 2x AA batteries