The PENTAX 10x21 UCF R binocular provides 10X magnification and remarkable durability despite its compact dimensions. Rugged yet stylish, the 7.4 ounce binocular features unibody construction and houses an impressive array of features.
Compact, Go-Anywhere Design
Coupling a compact, palm-sized body with 21mm objective lenses, the UCF R series provides outstanding optical performance and go-anywhere portability for a wide variety of applications, from outdoor nature observation to indoor theatrical viewing.
Bright, Clear Image Field
Combining multi-coated optical elements with high-refraction BaK4 glass prisms, the UCF R series assures high light transmission and reflection for a bright, clear image field. It also incorporates aspherical optical elements to deliver a clear, well-defined image with minimal distortion, even at the edges.
Dependable Rubber Housing
The UCF R series is encased in a durable rubber housing to ensure a firm, comfortable hold and excellent shock-resistant performance.
Innovative Dual-Axis Eye-Distance Adjustment System
The PENTAX-original dual-axis eye-distance adjustment system makes it quick and effortless to adjust the distance between two eyepieces, even when you share 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
Specifications
- Binocular Type: Porro prism, center focusing (linked-dual-axis)
- Lens Construction: Objective Lens: 2 elements in 1 group;
- Eyepiece Lens: elements in 2 groups
- Coating: Fully multi-coated
- Magnification: 10X
- Objective Lens Diameter: 21mm
- Real Field of View: 5.0 degrees
- Apparent Field of View: 50 degrees
- Field Of View At 1000 Meters: 87m
- Field of View at 1000 Yards: 261 ft.
- Exit Pupil: 2.1mm
- Eye Relief: 9.5mm
- Prism: Porro
- Multi Layer Coating: Yes
- Minimum Focusing Distance: 9.2 ft.
- Relative Brightness: 4.4
- Diopter Adjustment Range: +/- 4 m -1
- Eye Width Adjustment Range: 2.3 - 2.8"
- Focusing Range: 9.2 ft. - infinity
- Eyepiece Ring: Slide Type
- Body Color: Black
- Height, Width: 3.1 x 4.3" (7.9 x 10.9 cm)
- Thickness: 1.9"
- Weight: 7.42 oz (0.21kg)
- Waterproof: No
- Accessories: Eyepiece Lens Cap, Case, Strap
