Small Yet Mighty The Fieldscope 50mm ED is incredibly compact (20.8 x 7.1 cm) and lightweight (453.6 g. for straight body 470.6 g. for angled body) perfect for tucking into your pack for all your adventures. Nikon’s ED glass delivers extremely bright sharp true color images. The 13-30x zoom eyepiece offers a 157-foot field of view (@1 000 yds.) at the low magnification to make subject acquisition easy. Straight or angled body models. ED Glass with Fully Multicoated Optics Nikon ED glass delivers the utmost in edge-to-edge sharpness detail resolution and clear true color images free of flare. Carefully cut and polished glass is fully coated in multiple layers of anti-reflective compounds for bright resolution and brilliant color while scouting. Compact Ergonomic and Lightweight Includes soft carry case to facilitate handheld use. Waterproof and Fogproof O-ring sealed and nitrogen-purged.