Pentax UCF XII 8x25

• Porro prism design: The Porro prism layout gives the Pentax UCF XII 8x25 a naturally spacious image and strong depth perception, which helps when following birds, wildlife, or moving subjects at short to medium distances.
• 8x25 compact format: 8x magnification brings distant detail closer without making the view difficult to hold steady, while the 25.00 mm objectives keep the binocular small enough for travel, day hikes, and everyday carry.
• Close focus to 1.90 m: The short close-focus distance makes the binocular useful not only for distant viewing, but also for nearby subjects such as butterflies, museum details, or observation in tight spaces.
• Multicoated optics: The multicoated lenses help preserve brightness and contrast by reducing stray reflections, which is especially useful in mixed light, overcast weather, and backlit scenes.
• Waterproof and nitrogen filled: A waterproof, fogproof construction with nitrogen filling helps the binocular stay reliable when moving between temperatures or using it in rain, damp woodland, or coastal conditions.

About the Pentax UCF XII Series

The Pentax UCF XII series sits in Pentax’s compact Porro-prism binocular range and is aimed at users who want a small binocular with a fuller, more three-dimensional view than many pocket roof-prism designs. This series is built around a practical balance of compact dimensions, straightforward handling, and the image character that Porro prisms are known for. It suits travel, general nature observation, events, and casual outdoor use where low weight matters but image comfort still counts.

A defining trait of the series is its use of central focusing and a compact single-hinge body that remains easy to carry in a jacket pocket or small bag. The optical concept prioritizes a clear, relaxed view with useful eye relief and close-focus capability, making the series versatile across both nearby and more distant subjects. Pentax also supports this family with multicoated optics and weather-resistant construction features that make the binoculars more dependable in everyday field use. In practical terms, the UCF XII line is designed for users who value portability, simple operation, and the distinctive viewing comfort of a compact Porro binocular.

About the Pentax UCF XII 8x25

The Pentax UCF XII 8x25 is the most balanced configuration in the series for general-purpose viewing. Its 8.00 x magnification is strong enough to reveal detail in wildlife, landmarks, and sporting events, yet still easy to hold steady for extended observation. Paired with a 25.00 mm objective lens, it keeps overall size and weight down, making it well suited to travel, walking, and day-to-day outdoor use where a full-size binocular would be less convenient.

The compact Porro-prism layout gives this model a broad, natural image, supported by a 108.00 m/1000m field of view that helps with locating and tracking subjects. A 15.00 mm eye relief makes viewing more comfortable, especially for users who wear glasses, while the 3.10 mm exit pupil supports an easy, forgiving view in normal daylight conditions. The close focus of 1.90 m adds flexibility for nearby observation, so the binocular is not limited to distant scenes alone.

In use, the centrally focused single-hinge body is simple and quick to adjust, and the +/- 3 dpt. diopter range helps fine-tune the image to the user’s eyesight. Multicoated optics improve contrast and reduce distracting reflections, while the waterproof, fogproof, nitrogen-filled construction adds reassurance in wet weather and changing temperatures. At 300.00 g, this pocket binocular remains light enough to carry all day without becoming a burden.

About Pentax

Pentax traces its history to Asahi Optical Joint Stock Co., founded in 1919 in Otsuka, Tokyo. The company began as an optical manufacturer producing eyeglass lenses and binoculars, and that optical background still shapes the character of Pentax sport optics today. Pentax’s product range has included binoculars, cameras, and interchangeable camera lenses, reflecting a long-standing focus on precision optical design.

Today, Pentax camera and binocular products are manufactured and marketed by Ricoh Imaging Company, Ltd. The brand remains closely associated with practical optical engineering, and Pentax binoculars are known for applying the company’s lens-coating expertise across the range. In this category, that heritage matters because it links compact field binoculars such as the UCF XII series to a much broader tradition of optical manufacturing and image-quality development.

Main Features

• Product type: Pocket binoculars
• Series: Pentax UCF XII
• Magnification: 8.00 x
• Objective lens diameter: 25.00 mm
• Prism type: Porro
• Lens coating: Multicoated
• Field of view: 108.00 m/1000m
• Field of view (angular): 6.19 °
• Exit pupil: 3.10 mm
• Eye relief: 15.00 mm
• Close focus distance: 1.90 m
• Diopter adjustment: +/- 3 dpt.
• Focusing system: Central
• Interpupillary distance: 56.00 mm - 72.00 mm
• Body type: Single hinge
• Waterproof: Yes
• Fogproof: Yes
• Nitrogen filled: Yes
• Dimensions: 115.00 mm x 110.00 mm x 56.00 mm
• Weight: 300.00 g
• Color: Black
• Made in: Japan

Warranty

The Pentax UCF XII 8x25 is covered by a 30-year warranty.

In the Box

• Case
• Strap