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Unfortunately Pentax 10x21 UCF Q Binoculars with Case is no longer carried by OpticsPlanet. You can also explore other items in the Binoculars category yourself to try and find the perfect replacement for you!

This model of Pentax Binoculars has been discontinued and is no longer available. Please look for our other Binoculars from high quality brands such as Pentax and Nikon.

Pentax 10x21 UCF Q Binoculars with Case Product Info

If you are looking for a small binocular to put in your backpack or carry in your car ? the UCF Q series binocular is the perfect little companion! This compact binocular features a revolutionary linked dual-axis, single body housing with synchronized eyepiece adjustment for correct optical alignment. Because of its design, this compact binocular will withstand the constant banging around in your car or pack.


  • The 10x21 UCF Q has a stylish ultra-compact body with a sleek contemporary design.
  • Measuring only 4.3 inches wide, 3.1 inches high and 1.9 inches deep and weighing a mere 7.2 ounces, this compact binocular fits comfortably into a purse or small bag for use in many different kinds of outings.
  • High-refraction BaK4 glass prisms and multi-coated optical elements produce sharp, clear images with minimal distortion for outstanding viewing comfort and minimal eye fatigue.
  • To effectively reduce eye fatigue, the Pentax-original interpupillary adjustment system allows the adjustment of the distance between the eyes with great ease.
  • The UCF Q is ergonomically designed for maximum holding comfort and flawless operation.
  • The 10x21 UCF Q incorporates a diopter adjustment which allows near- and far-sighted viewers to easily and quickly adjust the image to match their eyesight.
  • The UCF Q offers extra-short minimum focusing distance of 9.2 feet for close-range observations.
  • Center-focus system allows accurate and fast focusing on subject with simple fingertip control.
  • The 10x21 UCF Q?s eyepiece rings are designed to slide in with little effort, allowing users with eyeglasses to observe images more easily and clearly.


Type: Porro-prism center focusing
Lens Construction:
Objective Lens: 2 elements in 1 group
Eyepiece Lens: 3 elements in 2 groups
Magnification: 10X
Objective Lens Diameter: 21mm
Real Field of View: 5.0 Degrees
Apparent Field of View: 50 Degrees
Field of View at 1000m: 87m
Field of View at 1000 Yards: 261 ft.
Exit Pupil: 2.1mm
Eye Relief: 9.5mm
Relative Brightness: 4.4
Diopter Adjustment Range: +/- 4
Eye Width Adjustment Range: 2.3 - 2.8 in. (58-72mm)
Focusing Range: About 28m to infinity
Eyepiece Ring: Slide type
Body Color: Black
Height & Width: 3.1 x 4.3 in. (78x110mm)
Thickness: 1.9 in. (47mm)
Weight: 7.2 oz. (205g)
Accessories: Eyepiece lens cap, case, strap

In addition to Pentax 10x21mm UCF Q Binoculars with Case, make sure to check other Pentax Binoculars and other Pentax products offered in our store.

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Pentax 10x21 UCF Q Binoculars with Case, MPN: 66208, Code: PX-BI-UCF-Q-62208

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