10 Best Thermal Imaging Monoculars 2025 in the United States

The ATN BlazeTrek-625 Thermal Imaging Monocular boasts impressive features tailored for thermal imaging needs. It's equipped with a high-resolution sensor of 640x512 and a fast refresh rate of 50 Hz, ensuring detailed and fluid imaging. The 12 μm pixel size coupled with a 25 mm lens enables a long detection range up to 1300 meters, making it suitable for various outdoor applications like wildlife observation or security purposes.

Additionally, the device offers five different color palettes for a customizable viewing experience, which can be very useful for different scenarios and preferences. The NETD rating of <25mK enhances sensitivity to temperature variations, contributing to clear and precise images even under challenging conditions. This monocular also includes built-in video and photo recording capabilities, allowing users to capture and store images and videos on a MicroSD card with up to 256GB capacity.

The added convenience of built-in Wi-Fi and app connectivity facilitates easy adjustments and media sharing directly from a smartphone. The product's weight of 1.44 ounces and compact dimensions (6.2 x 2 x 2.2 inches) might compromise ease of handling for some users, particularly in extended usage scenarios. While the device appears to be durable, the lack of specific mention of its weather resistance features could be a concern for users in harsh environments. The ATN BlazeTrek-625 is well-suited for those seeking advanced thermal imaging capabilities in a portable and feature-rich device.

The ATN BlazeTrek-325 is a solid choice for a thermal imaging monocular, especially if you want a device with good detection range and image clarity. It features a 384x288 resolution sensor with a 12-micron pixel size, which helps produce detailed thermal images. The 25mm lens supports spotting heat signatures up to about 1300 meters, which is quite useful for outdoor activities like wildlife watching or security. The refresh rate of 50 Hz ensures smooth real-time viewing without much lag. It’s very sensitive to temperature differences thanks to its low NETD rating (<25 mK), meaning it can distinguish subtle heat variations for a clearer picture.

You can choose from several color modes like White Hot or Iron Red, which can help highlight different details depending on your environment. The built-in video and photo capture with MicroSD support up to 256GB lets you easily record and save your sightings. Adding Wi-Fi and smartphone app connectivity is a nice touch, letting you control the device remotely or share images quickly.

It is a bit on the heavier side for a monocular at over 300 grams, which might affect comfort during extended use. While compact (about 6.2 x 2 x 2.2 inches), battery life is decent with a rechargeable lithium-ion battery included. This model fits well for outdoor enthusiasts and professionals who want a responsive and versatile thermal monocular with modern features, though those needing ultra-light gear or guaranteed rugged weatherproofing might want to consider other options.

The Pulsar Oryx LRF XG35 thermal monocular is a strong choice for clear visibility both day and night, especially in challenging weather conditions like fog or rain. Its AMOLED 1024x768 display offers detailed images, and the 35mm lens combined with a 12.5° field of view delivers sharp thermal pictures. Detection distance reaches nearly 2000 yards, making it suitable for spotting objects or animals far away.

The built-in laser rangefinder measures distances up to 1500 meters with about one meter accuracy, aiding precise target identification and planning. It features a versatile magnification range from 2.5x to 20x, allowing both close-up inspection and long-range observation. Weighing approximately 18 ounces and measuring roughly 7 by 2 by 3 inches, the device is compact and portable for field use. Constructed from magnesium, it balances sturdiness with lightness, and is built to withstand outdoor conditions, enhancing durability.

Battery life is solid, and it includes rechargeable batteries with charging accessories. Pulsar products are known for maintaining good performance in motion viewing. The product is subject to export controls, which might limit availability or use in some regions. The Pulsar Oryx LRF XG35 delivers reliable thermal imaging with excellent detection range and integrated rangefinding, making it ideal for hunters, security personnel, and outdoor enthusiasts requiring dependable performance across varied environments.