NIKON Prostaff 10x25 ATB Black

Multicoated, aspherical eyepiece lenses and BaK4 prisms: Deliver bright, high-resolution images under all lighting conditions.

Generous eye relief: For a clear and comfortable view, especially for eyeglass wearers. Includes turn-and-slide rubber eyecups.

Fully waterproof/fogproof: Nitrogen-filled and O-ring sealed.

Smooth central focus knob: Fast range of focus for quick viewing.

Durable and protective, rubber-armored coating: Provides a sure, non-slip grip, wet or dry.

Features:
Focusing System: Central Focus
Magnification: 10 x
Objective Diameter: 25 mm
Angular Field of View (Real): 5 °
Angular Field of View (Apparent): 47.2 °
FOV at 1000 yds: 262 ft
Close Focus Distance: 9.2 ft
Exit Pupil: 2.5 mm
Relative Brightness: 6.3
Eye Relief: 15.9 mm
Size (Length x Width): 4 x 4.5 in
Weight: 12.9 oz
Interpupilary Distance: 56 - 72 mm
Waterproof/Fogproof: Yes
Prism: Porro