Pentax 8×21 UCF R Binoculars

The Pentax 8×21 UCF R Binoculars blend a compact binocular with high performance 21mm lenses for outstanding optical performance and versatile usability throughout a wide variety of applications.

 

Summary

The Pentax 8×21 UCF R Binoculars blend a compact, palm-sized binocular with high performance 21mm objective lenses. UCF R Series Binoculars provide outstanding optical performance and versatile usability across a wide variety of applications, including outdoor nature observation, bird watching and sports, to indoor theatre viewing.

Highlight features:

A Bright, Clear Image Field

Pentax has incorporated multi-coated optical elements with high-refraction BaK4 glass prisms, allowing the 8×21 UCF R Binoculars to deliver high light transmission and reflection for a bright, clear image field. They also incorporate aspherical optical elements for clear, well-defined images with minimal distortion, right to the edges.

Shock Resistant Rubber Housing

The 8×21 UCF R from Pentax is encased in a durable rubber housing providing a firm, comfortable hold and excellent shock-resistant performance.

Innovative Dual-Axis Eye-Distance Adjustment System

The dual-axis eye-distance adjustment system makes it quick to adjust the distance between two eyepieces, ideal for sharing the binoculars with someone else.

Other Features

• User-friendly eyepiece rings that can be extended or pushed into storage position with a single action
• Diopter adjuster with a midpoint click stop (at neutral m-1 diopter position)
• Short minimum focusing distance of 2.8 meters for close-range viewing

Pentax 8×21 UCF R Binoculars Specification

Model	8 x 21 UCF R
Type	Porro prism, center focusing (Linked-dual-axis)
Lens construction	(Objective lens) 2 elements in 1 group (Eyepiece lens) 3 elements in 2 groups
Magnification	8X
Objective lens Diameter	21mm
Real field of view	6.2°
Apparent field of view	50°
Field of view at 1000m	108m
Field of view at 1000 yard	324ft
Exit pupil	2.6mm
Eye Relief	13mm
Relative Brightness	6.7
Diopter adjustment range	±4m-1
Eye Width adjustment range	58 – 72mm 2.3 – 2.8 inches
Focusing range	Approximately 2.8m to infinity Approximately 9.2ft to infinity
Eyepiece ring	Slide type
Body color	Black
Height & Width	83 x 110mm 3.2 x 4.3 inches
Thickness	48mm 1.9 inches
Weight	210g 7.4 oz.
Accessories	Eyepiece lens cap, Case, Strap

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Offer Category: Optics

Offer Product Type: Binoculars

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