Features

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In The Box
In The Box Binoculars, Case  1Binocular, 1 Manual, 1 Warrenty Card  8x42 ProStaff 3S Binocular 
General
Brand Olympus  Nikon  Nikon 
Model Name 10x50 DPS I  Aculon A211 8x42  8x42 ProStaff 3S Waterproof Fogproof 
Color Black  Black  Black 
Type Binoculars  Binoculars  Binoculars 
Magnification 10 x  8 x  8X x 
Objective Diameter 50 mm  42 mm  42 mm 
Suitable For Navigation, Hunting, Hiking 
Handheld/Mount Handheld 
Additional Features
Water Resistant No  Yes
Focusing System Center Focus 
Other Features UV Ray Protection, Anti-reflective Lens Coating, Grip RubView More...
Optical Features
Field of View at 1000 m 114 m  140 m 
Exit Pupil 5 mm  5.3 mm 
Eye Relief 12 mm  12 mm 
Closest Focus Distance 6 m  5 m 
Real Field of View 6.5 °  8 degree 
Apparent Field of View 65 °  58.4 degree 
Field of View at 1000 yd 420 ft 
Relative Brightness 25  28.1 
Interpupillary Distance Adjustment 60 - 70 mm  56-72 mm 
Twilight Factor 18.33 
Diopter Adjustment Range Over 2 m - 1 
Lens Features
Prism Type Porro-prism  BAK - 4 Glass 
Optical Coatings Monolayer-coating  Multi Coated 
Prism Design Porro Prism 
Lens Construction 5 Elements in 3 Groups 
Dimensions
Width 191 mm  185 mm 
Height 178 mm  145 mm 
Depth 63 mm 
Weight 855 g  755 g 
Warranty
Warranty Summary 1 Year Nikon India Warranty 
Warranty 1 Year