Pentax 8-16x21 U-Series UP Binoculars (Brown)

The compact and lightweight brown 8-16x21 U-Series UP Binoculars combine aspherical optical elements and BAK4 Porro prisms to deliver edge-to-edge image sharpness with a wide angle of view The optical elements are also fully multicoated to provide a high transmission of light With an 8-16x range of magnification and 21mm objectives - you obtain a wide zooming range and a compact form factor You can easily spot your targets with a 5 degrees angular field of view at 8x magnification and quickly zoom in on them with the optical zoom To reduce image jitter at high zoom factors or for prolonged observations - you can connect the binoculars to a tripod via an integrated 1/4-20 socket In addition to observing distant scenes - birds and game - the minimum focus of 638' allows you to study in detail close objects like animal footprints - marks or landscape features The binoculars also feature a 26-13mm exit pupil range - a 14-11mm eye relief range - an interpupillary and a diopter adjustments The binoculars are very compact - lightweight - and feature a single piece frame that houses objectives - which allows for a synchronized interpupillary adjustment To accommodate eye glasses wearers - the binoculars offer sliding rubber eyecups Also included are a carrying case - a neck strap - and eyepiece covers

Features: Aspherical Lens Elements, BAK4 Porro Prisms, Fully Multicoated Optics, 8-16x Optical Zoom, Angle of View Range: 5-3°, Center Focusing, Sliding Eyecups, 1/4-inch -20 Tripod Socket

Prism Type: Porro (BAK4)

Magnification: 8 to 16x

Objective Lens Diameter: 21 mm

Angle of View: 8x: 5 degrees (Actual)16x: 3 degrees (Actual)

Field of View: 16x: 157.5' @ 1000 yd / 52.5 m @ 1000 m

Minimum Focus Distance: 63.8' / 19.4 m

Exit Pupil Diameter: 8x: 2.6 mm16x: 1.3 mm

Eye Relief: 8x: 14 mm16x: 11 mm

Diopter Adjustment: Yes

Focus Type: Center

Fogproof: No

Environmental Resistance: No

Dimensions: 4.4 x 4.4 x 2.1-inch / 11.1 x 11.1 x 5.3 cm

Weight: 10.9 oz / 309 g