With a magnification range from 8X to 16X, the 8-16X21 UCF Zoom II binocular gives you incredible zooming ability with the convenience of a compact design. 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.
Features:
- Magnification 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: 2 elements in 1 group Eyepiece Lens: 4 elements in 3 groups
- Coating: Lens: Multi-coating Prism: Coating
- 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
- Waterproof: No
- Accessories: Eyepiece lens caps, Case, Neck strap
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