OLYMPUS 8-16×40 ZOOM DPS I FIELD 5.0°- 3.4° The 8-16x40 zoom DPS I binocular is a loyal and competent companion for nature observations. The durable, high quality finish stands any tough nature conditions and the rubber coated grip ensures a safe hold. With the powerful zoom you can get even closer to the subject, and without using the zoom the Zoom DPS I is strong enough for viewing also in low light condition. Anti-reflective lens coating secures high image brightness, contrast and quality. With this binocular you are optimally prepared to enjoy the expansive nature. Features stands any tough nature conditions thanks to durable high-quality finish get stunningly close with the zoom function. Clear and distortion-free viewing thanks to reflection-reducing coated lenses standard binoculars UV protection to protect eyes against the suns harmful rays maximum image brightness. Large, centre-focus knob for fast and easy focusing built-in dioptric correction adjusts to individual eyesight size W x H x D (mm): 182 x 152 x 58, weight: 790g Specifications special features optical coating: Monolayer coating optics type: Porro prism series eye interval adjustment range: 60-70mm dioptre adjustment range: over +/- 21/m Lens configuration: Six elements/four groups magnification: 8 - 16x objective lens diameter: 40 mm exit pupil diameter: 5-2.5 mm actual field of view: 5-3.4 apparent field of view: 40 - 54.4 field of view at 100 m: 8.7-5.9 m relative brightness: 25-6.3 eye relief: 10-12 mm closest focal point: 10m dimensions HxWxD: 182 x 152 x 58mm (fully extended) weight: 790g Added Extras Include: 1. Black Paracord neck/shoulder strap (550 Paracord) 2. Tripod mount attachment Product Features: Focus Knob, Fog Proof Objective Lens Diameter: 40 Millimetres Magnification (Zoom): 8 to 16 Specific Uses For Product: Hiking, Outdoors, Bird Watching, Sport Watching VESA Mount Type: Tripod Mount Eye Relief: 12 Millimeters Prism Type: Porro Prism Relative Brightness: 25 Exit-Pupil Diameter: 5 Millimeters Water Resistance Level: Waterproof Focus Type: Center Focus Zoom Ratio: 16 multiplier_x Field of View: 6.8 Degrees Apparent Angle of View: 54.4 Degrees