The Nature-Trek spotting scope family offers exceptional optical performance in a lightweight and waterproof modern design. A Fully Multi-Coated optical system combined with BAK-4 Porro prisms produce extremely clear and sharp images. The ultra compact 56mm features barrel focussing with twist-up eye piece, delivering 39x magnification in a scope the size of your hand. Supplied with neoprene stay-on case. Features: Ultra compact and lightweight construction Fully Multi-Coated optics to produce sharp images Close focus - see detail from 13.1ft/4.0m BAK-4 Porro prisms for intense color and contrast Barrel Focus To Achieve Ultra Fine Focusing Stay-on soft scope cover for maximum protection Twist-up eye cup Digi-scope compatible for use with your camera Nitrogen purged - water and fog proof