Pentax 8x25 UCF-X II Binoculars

5006-411
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Description

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These binoculars offer gratifyingly good viewing for their size and price. In their modified porro-prism design, only the eyepieces move to adjust the width, reducing misalignment from knocks and hard use.

  • Impact-resistant polycarbonate body with rubber coating for easy gripping.
  • Aspherical lens elements help ensure sharp edge-to-edge views.
  • Multi-coated optical elements.
  • 2.8mm close focus will delight birders.
  • BaK4 high index prisms for good edge-to-edge resolution.
  • 8x magnification is great for general use.
  • 15mm eye relief allows them to be used with glasses.
  • 3.1mm exit pupil.
  • 25mm objective lenses.
  • Twist-up eyecups are easy to use and last longer than fold-down rubber.

Tech specs

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Magnification

This tells you how many times an object is magnified when observed through the binoculars.

8x
Objective lens

The diameter of the objective lens will impact how bright, sharp, and comfortable your view is. Generally, bigger is better.

25mm
Lens coating

Lens coatings reduce light loss and glare to increase contrast and diminish eyestrain. Coated: one layer on external surfaces only. Fully coated: every surface is coated. Multi-coated: multiple layers on some of the surfaces. Fully multi-coated: multiple layers on every optical surface.

Multi-coated
Field of view

The widest dimension of circular viewing area that you can see.

108m
Minimum focus

The nearest distance at which the binoculars will focus on an object.

190cm
Relative brightness

A measure of image brightness. The greater the realtive brightness number the better the binoculars will perform in dim light.

9.6
Exit pupil

The diameter of the objective (outside) lens divided by the binocular's magnification. It indicates the amount of light that reaches your eye (most noticeable in low light conditions). Higher numbers offer brighter images.

3.1mm
Eye relief

The distance between the eyepiece and your eye while still allowing entire field of view. Long eye relief is good for eyeglass wearers.

15mm
Dimensions 11.5 x 5.6cm
Dust proof No
Fogproof No
Waterproof

Waterproof binoculars are assembled with O-rings and are purged with nitrogen to avoid condensation. They are ideal for boating or use in rainy weather.

No
Diopter adjustment

These binoculars can be adjusted for variances between right and left eye vision.

Yes
Includes case Yes
Made in China