As with other UCF models the 8-16x21 UCF Zoom II has an innovative dual-axis eye-distance adjustment system high-refraction BaK4 glass prisms multi-coated optical elements and aspherical lens elements incorporated into the eyepiece optics.
This portable compact user-friendly binocular is perfect for the viewer on the go - whether it be bird watching sporting events wildlife or indoor performance viewing.FeaturesMagnification power ranges from 8 to 16x21.Aspheric lens elements enhance edge-to-edge sharpness.In-line control system positions zooming focusing and diopter adjustment together.High-refraction BaK4 glass prisms for brighter clearer image.Pop-out right diopter adjustment knob.
Specifications
Binocular Type: Porro prism, Linked-dual-axis, Center focusing, Center zoom ring, Center diopter adjustment knob
Lens Construction: Objective Lens
Coating: Lens
Magnification: 8 to 16X
Objective Lens Diameter: 21mm
Real Field Of View: 5.0 degrees (8X) to 3.0 degrees (16X)
Apparent Field Of View: 40 degrees (8X) to 48 degrees (16X)
Field Of View At 1000 Meters: 87m (8X) to 52m (16X)
Field Of View At 1000 Yards: 261 ft. (8X) to 156 ft. (16X)
Exit Pupil: 2.6mm (8X) to 1.3mm (16X)
Eye Relief: 14mm (8X) to 11mm (16X)
Prism: Porro
Relative Brightness: 6.7 (8X) to 1.7 (16X)
Diopter Adjustment Range: +/- 4 m -1 (8X)
Diopter Adjustment: Center knob (pop up)
Eye Width Adjustment Range: 56 to 73.5mm
Focusing Range: 3m to infinity
Eyepiece Ring: Helicoid type
Body Color: Black
Height Width: 55mm x 111mm
Thickness: 111mm
Weight: 280g
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Pentax 8-16X21 UCF ZOOM II Binoculars
Carrying Case
Strap
Lens Caps
Instruction Manual
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