Specifications: Type: Prism Binoculars
Magnification: 15x
Objective Lens Effective Diameter: 50mm
Filter Size: 58mm
Real Field of View: 4.5°
Apparent Field of View: 67.5°
Objective Lens Construction: 4 elements in 3 groups (including protective glass)
Eyepiece Lens Construction: 7 elements in 5 groups
Exit Pupil Diameter: 3.3mm
Eye Relief: 15mm
Prism Type: Porro II
Eye Width adjustment: 58mm ~ 76mm
Focusing Method: Manual focusing by turning the focusing knob
Dioptric Correction: ±3.0 diopters
Closest Focusing Distance: 6 m/19.7 ft.
Image Stabilizer: Vari-Angle Prism
Correction angle: ±0.7°
Tripod Socket: Provided
Power Source: 2 x AA
Dimensions: 152 x 193 x 1180mm/6.0" x 7.6" x 3.2"
Weight: 1180g/41.6 oz. (excluding batteries)