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8-16X21 Pentax UCF II Zoom

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* Item pictured for illustrative purposes only, actual item not pictured.

8-16X21 Pentax UCF II Zoom Description


Pentax UCF Zoom II 8-16X21 Binoculars - 16x 21mm

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.


Physical Characteristics

Color Black

General information

Brand Name Pentax
Product Series UCF Zoom II
Manufacturer Part Number 62217
Manufacture GTIN 0027075109803


Additional Information


  • Lens Coating: Multi-Coated
  • Prism Coating: Coated

Lens Construction:

  • Objective Lens Construction: 2 Elements in 1 Group
  • Eyepiece Lens Construction: 4 Elements in 3 Groups

Technical Information

Maximum Eye Relief 11 mm
Minimum Magnification 8x
Relative Brightness 1.7
Minimum Eye Relief 0.55"
Prism Design Porro
Minimum Angular Field of View (Real)
Maximum Angular Field of View (Real)
Minimum Angular Field of View (Apparent) 40°
Maximum Angular Field of View (Apparent) 48°
Minimum Field of View @ 1000 yd 261 ft
Maximum Field of View @ 1000 yd 156 ft
Coating Coated, Multi-coated
Prism Type BaK4

Customer Reviews