Compact monocular design - ideal for travel; Fully multi-coated optics to produce sharp images; Lightweight and durable rubber coated full-size chassis; High resolution BAK-4 roof prisms; Twist-up eye cups with position stops for eye relief; Dioptre style focus - close focus from 6.6ft / 2m; Stay-on lens covers for maximum lens protection; Waterproof / Fogproof