Library of things binoculars
(Thing)

Eight times magnification and 42mm objective lenses, these Diamondback binoculars are the workhorse of Vortex lineup; known for impressive optical quality and durability. Dielectric, fully multi-coated lenses transmit more light and clearer, brighter images. A field of view that is one of the largest in its class helps you efficiently glass your surroundings and identify your target. Sleek, short hinge design with rubber armor and thumb indents leaves more room for your hands creating an easier, secure, non-slip grip. -- Amazon

Size: (H x W) 5.8 x 5.1 in.Weight: 21.8 oz.Eye relief: 18 mm.Exit pupil: 5.3 mm.Field of view: Angular @ 1000 yardsClose focus: 4.5 ft.Interpupillary distance: 57 - 73 mm.