The Vivitar 8x40 OM-840 Sportsman Binocular, based on a BK roof prism design, offers an 8x magnification power. Designed as a rugged product, the binocular can withstand frequent use. Featuring 40mm objective lenses, the binocular offers 7.2º angular field-of-view.
Eyecups of the Sportsman Binocular can be twisted up so that eyeglass/sunglass wearers can comfortably look through the binocular without taking off their glasses. An eye relief range of 56-70mm ensures that you can look through the binoculars for a long time without stressing your eyes. Multicoated lenses help reproduce a sharp image by eliminating glares. The binocular has a minimum focusing distance of 32.8' (10m).