New: Liemke Keiler 25.1 Thermal Monocular

Liemke’s new Keiler 25.1 thermal monocular sports advanced image processing software, 32 GB of onboard memory and a 25 mm objective lens.

by
posted on January 11, 2024
** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. **
Keiler 25.1
Weighing in at 15.69 ounces, the new Liemke Keiler 25.1 thermal monocular has a ceramic VOx detector with 384x288 pixel resolution.
Liemke

Liemke has added to its Keiler lineup with the new German-made Keiler 25.1 thermal monocular that boasts 384x288 pixel resolution, a 12µm VOx sensor and 25 mm objective lens.

The Keiler 25.1 thermal monocular's advanced image processing software has two quick-change modes to provide natural looking, detailed images in rain or shine. Heat signature detection capability is out to 1,250 meters.

The Keiler 25.1 is also easy and intuitive to operate. The central scroll wheel controls the menu, zoom and other functions. The menu has a standard, custom and basic mode, along with a quick-access menu that is customizable for frequently used functions. This design makes it easy to locate all important buttons intuitively, even in complete darkness. In addition, the Keiler 25.1 thermal monocular has an internal memory capacity of 32 GB, making it simple to capture photos and videos from your hunt.

Start-up time is only five seconds and the OLED display has 1024x768 pixel resolution and 50 Hz refresh rate. Plus, there are five color modes, 2.4X basic magnification and digital zoom up to 10X. Battery run time is up to 10 hours.

MSRP for the Liemke Keiler 25.1 thermal monocular is $2,777. Go to liemke.com.

Latest

Nraarc 1
Nraarc 1

NRA America’s Rifle Challenge Summit Heads to Gunsite Academy This November

Gunsite Academy will host the 2025 Gunsite NRA America’s Rifle Challenge Summit in Arizona Nov. 8-9, offering AR training, competition and tactical challenges

Review: SIG Sauer M400-TREAD & ROMEO5XDR Gen II

SIG’s M400 TREAD 5.56 mm rifle paired with the ROMEO5XDR Gen II optic delivers competition grade performance and exceptional value straight from the box

Hancock, Simonton Complete American Sweep at 2025 ISSF World Championship Shotgun

Vincent Hancock and Samantha Simonton claimed gold in men’s and women’s skeet, leading Team USA to a dominant sweep at the 2025 ISSF World Championship

How The MidwayUSA Foundation is Reshaping Youth Shooting Sports

Financial infrastructure and strategic giving are transforming how America supports its youth shooting sports teams

Collegiate Rifle: Akron Rifle Team Delivers Personal Bests in Home Opener vs. No. 10 Memphis

In their Oct. 12 home opener, Akron rifle put on a strong performance against No. 10-ranked Memphis, with nine out of 12 shooters achieving season or career-best scores

Historic Wins Across the Board: 1981 National Matches

The 1981 National Matches delivered major milestones across pistol, smallbore and high power—fueled by renewed federal support and fierce competition.

Interests



Get the best of Shooting Sports USA delivered to your inbox.