National Geographic 8-25x25 Zoom Monocular

• 8-25x zoom range: The variable magnification lets one compact monocular cover both quick scanning at 8x and closer inspection at higher power, which is useful for travel, casual wildlife observation, and general outdoor viewing.
• Compact 25 mm format: With a slim body and low weight, this monocular is easy to carry in a jacket pocket or daypack, making it practical when full-size binoculars would be unnecessary bulk.
• Roof prism design: The Schmidt/Pechan prism system keeps the housing narrow and easy to handle while still providing the straight-barrel shape many users prefer for one-handed use.
• Fully coated optics: Lens coatings help reduce distracting reflections and support a clearer, higher-contrast image, which is especially helpful when viewing in bright daylight.
• Nitrogen-filled, rubberized housing: The sealed construction helps resist internal fogging, while the rubberized exterior improves grip and everyday durability in changing outdoor conditions.

About the Zoom Monocular Series

National Geographic zoom monoculars are built as lightweight observation tools for users who want more flexibility than a fixed-power pocket optic. In the brand’s outdoor optics range, this type of monocular sits as a simple, portable option for sightseeing, nature walks, travel, and casual field use where low weight matters more than the larger objective lenses and wider views of full-size binoculars. The defining feature of the series is its variable magnification concept, which allows one optic to cover both general scanning and more detailed viewing without taking up much space.

These models typically combine a compact roof-prism layout with straightforward handling and an emphasis on portability. That makes them suitable for users who want a monocular that slips easily into a pocket, glove compartment, or small bag. In practical use, the appeal of the series is not extreme low-light performance, but the convenience of having a small optic ready for quick observation during hikes, city trips, sporting events, or landscape viewing. The result is a format that balances mobility, simple operation, and flexible magnification in a way that suits everyday outdoor observation.

About the National Geographic 8-25x25 Zoom Monocular

The National Geographic 8-25x25 Zoom Monocular is designed for users who want a highly portable optic with more reach than a fixed-power compact model. Its 8x to 25x magnification range gives it a broad working envelope: lower power is more comfortable for locating subjects and maintaining a steadier image, while higher magnification is useful for examining distant details in landscapes, architecture, or wildlife. That flexibility makes it a practical monocular for travel and general outdoor use where carrying a larger optic would be inconvenient.

The optical system uses a Schmidt/Pechan roof prism, which keeps the body slim and easy to pack. A 25 mm objective lens supports the compact format, while the fully coated optics help maintain a cleaner image with better contrast in daylight conditions. The stated 70.00 m/1000m field of view supports general observation at the lower end of the zoom range, where finding and following subjects is easier.

Mechanically, this model focuses on portability and everyday resilience. At just 124.00 g and with a length of 127.00 mm, it is easy to keep close at hand for spontaneous use. The nitrogen-filled housing helps prevent internal fogging when temperatures change, and the rubberized body improves grip while adding a layer of protection against knocks and routine outdoor handling. Altogether, this monocular suits users who value compact size, flexible magnification, and uncomplicated field use.

About National Geographic

The National Geographic Society was founded on January 13, 1888 and is headquartered in Washington, D.C., United States. Its work has long centered on science, exploration, education, storytelling, and conservation, which gives the National Geographic name a natural connection to observation and outdoor discovery. In optics, the brand’s range includes binoculars, spotting scopes, and monoculars, alongside telescopes intended for astronomy and general observation.

Since 2012, Bresser has offered National Geographic-branded optical products under license. That partnership places the brand in the accessible consumer optics segment, with products aimed at entry-level outdoor use, travel, and family observation rather than highly specialized professional equipment. Within that context, National Geographic optics focus on approachable handling, compact formats, and practical everyday usability.

Main Features

• Product type: Monocular
• Prism type: Roof - Schmidt/Pechan
• Variable magnification: Yes
• Magnification: 8.00 x - 25.00 x
• Objective lens diameter: 25.00 mm
• Field of view: 70.00 m/1000m
• Lens coating: Fully coated
• Length: 127.00 mm
• Width: 32.00 mm
• Height: 32.00 mm
• Weight: 124.00 g
• Fogproofing: Nitrogen
• Body finish: Rubberized body
• Color: Black