Providing you with a wide field of view, the Nikon EDG Fieldscope 85mm S Monocular with Zoom comes with larger, 85mm objective lens. It offers perfect vision even under low light conditions, thanks to the advanced technology of dielectric high-reflective multilayer prism coating. The extra-low dispersion glass lenses, an exclusive from Nikon, bestow the image with good sharpness and resolution. This monocular features a zoom EDG eyepiece and is compatible with optional eyepieces as well. The carefully cut and polished glass with multi layer coating of anti-reflective compounds eliminates glare when viewing in bright sunlight. Ideal to use under any weather condition, it is both waterproof and fog-proof.