Uniquely designed for maximum protection and comfort, the Pulsar Expert VM 8x40 Binoculars Marine feature yellow lens caps and yellow inserts in the eyepieces to make the unit more visible. Its protective flat front lenses prevent against scratches, dust, sand and moisture. With switchable, internal filters the Pulsar Expert VM 8x40 Binoculars Marine include three modes: a reflection mode that neutralizes glare, a contrast mode that enhances images during twilight hours and a daylight mode.