With a magnification range from 8X to 16X, the UCF II Zoom binocular gives you incredible zooming ability with the convenience of a compact design. Features include an innovative dual-axis eye distance adjustment system, multi-coated optical elements, and high-refraction BaK-4 glass prisms. Perfect for the viewer on the go- whether it's bird watching, sporting events, wildlife, of indoor performance viewing.

• Aspheric lens elements enhance edge-to-edge sharpness.
• In-line control system positions zooming, focusing, and diopter adjustment together.
• Pop-out right diopter adjustment knob.
• Includes neck strap, carry case, and eyepiece lens caps.

Specifications:

• Type: porro-prism center focusing, linked dual-axis
• Objective lens: 2 elements in one group
• Eyepiece lens: 4 elements in 3 groups
• Magnification: 8X to 16X
• Objective lens diameter: 21 mm
• Angle of view: 5.0 (8X) to 3.0 (16X) degrees
• Apparent field of view: 40 (8X) to 48 (16X) degrees
• Field of view @ 1000 m: 87 m (8X) to 52 m (16 X)
• Field of view @ 1000 yd: 261 ft (8X) to 156 ft (16X)
• Exit pupil: 2.6 mm to 1.3 mm
• Eye relief: 14 mm to 11 mm
• Prism: BaK-4
• Multi-layer coating: yes
• Relative brightness: 6.7 to 1.7
• Diopter adjustment range: center knob pop-up
• Eye distance adjustment range: 56 to 73.5 mm
• Focusing range: approx. 3 m to infinity
• Eyepiece ring: helicoid type
• Water-resistant: no
• Weight: 12.6 oz.