8-16x21 UCF Zoom II Binoculars

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.

• Central fingertip control includes, focus, locking diopter and zoom control
• Black rubber housing protects against dust and scratches
• Revolutionary dual-axis, single body housing with synchronized eyepiece adjustment to assure correct optical alignment for comfortable viewing
• Fast and easy adjusting center focusing for handling ease
• Helicoid style eyepiece rings for quick adjustment of eye relief
• Fully multi-coated optical eliminate harmful UV rays while improving light transmission and contrast with no flare or glare.
• Inverted porro-prism design results in compact, light-weight body
• High-quality BaK4 prisms for maximum light transmission and illumination

Porro prism, Linked-dual-axis, Center focusing, Center zoom ring, Center diopter adjustment knob

Objective Lens: 2 elements in 1 group Eyepiece Lens: 4 elements in 3 groups

Lens: Multi-coating Prism: Coating

8 to 16X

21mm

5.0 degrees (8X) to 3.0 degrees (16X)

40 degrees (8X) to 48 degrees (16X)

87m (8X) to 52m (16X)

261 ft. (8X) to 156 ft. (16X)

2.6mm (8X) to 1.3mm (16X)

14mm (8X) to 11mm (16X)

Porro

6.7 (8X) to 1.7 (16X)

+/- 4 m -1 (8X)

Center knob (pop up)

56 to 73.5mm

3m to infinity

Helicoid type

Black

55mm x 111mm

111mm

280g

No

Eyepiece lens caps, Case, Neck strap