OLYMPUS 8-16X40 ZOOM DPSI BINOCULAR

Prism type bk-7 porro/field of view at 1,000 yds 285.4 – 193.6 ft (87 – 59 M)
Close Focus distance 32.8 ft (10.0 M)
Eye relief 0.4 – 0.5 (10 mm – 12 mm)/relative brightness 25 – 6.3
Waterproof no/weight 27.9 oz (790 g)
Dimensions: L x w x that 6.0 x 7.2 x 2.3 (152 mm x 182 mm x 58 mm)
Zoom capability of 8 ? 16x
Anti-reflective lens coating for better image brightness
Large center focus knob for fast, easy focusing
Built-in dioptric correction adjusts to individual eyesight
Comfortable ergonomic grips