Rix Optics Pocket K3

• Compact thermal format: The Pocket K3 keeps thermal observation easy to carry at 213.00 g and 124.50 mm in length, so it is practical for scanning fields, checking tree lines, or keeping in a jacket pocket during long walks.
• 384x288 sensor with 12.00 μm pixel pitch: This sensor format gives the monocular enough detail for more confident target recognition than entry-level thermal units, while the fine pixel pitch helps maintain a wide view in a very small housing.
• 25.00 mK sensitivity: Low thermal sensitivity helps the Pocket K3 separate subtle temperature differences, which is useful in damp weather, mixed backgrounds, and other conditions where animals or heat sources do not stand out strongly.
• 50.00 Hz refresh rate: A faster refresh rate keeps motion looking smoother when panning or tracking moving game, reducing the laggy feel that can make handheld thermal observation less comfortable.
• WiFi, photo and video recording: Built-in connectivity and onboard capture make it easier to save sightings, review observations later, or share the live view through the RIX+ app without adding extra equipment.

About the Rix Optics Pocket Series

The Rix Optics Pocket series is the brand’s compact line of thermal-imaging monoculars, built for users who want a lightweight handheld device rather than a larger helmet- or rifle-mounted system. Within the RIX lineup, the Pocket family sits as a highly portable option for hunters, landowners, and general outdoor users who need fast thermal detection for scanning, recovery work, pest control, and after-dark observation. The series includes 256- and 384-resolution sensor options, giving buyers a choice between a more affordable entry point and higher image detail in the same small format.

What defines the series is its emphasis on low weight, simple handheld use, and practical digital features such as OLED displays, onboard recording, and WiFi connectivity. Instead of prioritizing mounting systems or complex ballistic functions, Pocket models focus on quick deployment and easy carrying. That makes them well suited to users who spend more time scanning than shooting, or who want a thermal monocular to complement other hunting optics. Across the series, the design philosophy is straightforward: deliver useful thermal performance in a form that is easy to keep close at hand, with controls and features that support real field use rather than adding bulk.

About the Rix Optics Pocket K3

The Rix Optics Pocket K3 is the higher-spec model in the Pocket family, combining a 384x288 VOx uncooled sensor with a 15.00 mm objective lens and 2.00x base magnification. In practice, this gives it a useful balance between reach and field coverage for handheld thermal scanning. The stated 780.00 m detection range makes it suitable for locating heat sources at distance, while the wide 17.50 ° field of view helps when searching open ground, woodland edges, or moving across a scene quickly.

Its 12.00 μm pixel pitch, 25.00 mK NETD, and 50.00 Hz refresh rate work together to improve how the image feels in real use. Fine pixel pitch supports a compact optical system, low NETD helps reveal weaker thermal contrast, and the higher refresh rate keeps motion smoother during handheld observation. The 800x600 OLED display provides a clear viewing image with strong contrast, which suits short, repeated checks as well as longer sessions in the field.

The Pocket K3 also adds practical digital functions that matter in everyday use. Photo and video recording allow observations to be saved directly from the device, while WiFi connectivity supports app-based viewing and file transfer. Powered by an 18650 battery with up to 6.00 h of battery life, it remains simple to keep running in the field. Its waterproof, fogproof, and shockproof construction, together with the -20°C to +50°C operating range, makes it a sensible thermal monocular for hunting, property inspection, and general outdoor observation in changing conditions.

About Rix Optics

RIX Optics is based in Richardson, Texas, United States. The company focuses on the design and manufacture of thermal-imaging and night-vision optics, with a product range that includes thermal riflescopes, thermal-imaging monoculars, and digital day-and-night-vision scopes. Within that lineup, the brand organizes products into distinct families for different uses, including the POCKET series of thermal monoculars with 256- and 384-resolution sensor options and the STRIDE series of thermal monoculars.

This specialization gives RIX a clear emphasis on observation and hunting optics that work in low light and no-light conditions. Its catalog also extends into more feature-rich systems, including LEAP thermal riflescopes and TITAN thermal monoculars, showing a focus on both compact handheld devices and more advanced thermal platforms. For products such as the Pocket K3, that background is relevant because it places the monocular within a manufacturer dedicated specifically to thermal and night-vision equipment rather than general sporting optics.

Main Features

• Magnification: 2.00 x
• Objective lens: 15.00 mm
• Field of view: 304.00 m/1000m
• Field of view (angular): 17.50 °
• Eye relief: 13.50 mm
• Diopter range: -7 to +2
• Detection range: 780.00 m
• Thermal sensor type: VOx Uncooled
• Sensor resolution: 384x288
• Pixel pitch: 12.00 μm
• NETD: 25.00 mK
• Refresh rate: 50.00 Hz
• Display type: OLED
• Display resolution: 800x600
• Image capture: Yes
• Video recording: Yes
• Video output: Yes
• Connectivity: Wifi
• Built-in rangefinder: No
• Battery type: 18650
• Battery life: 6.00 h
• Dimensions: 124.50 mm x 45.70 mm x 73.70 mm
• Weight: 213.00 g
• Operating temperature range: -20°C to +50°C
• Waterproof: Yes
• Fogproof: Yes
• Special features: Fogproof, Shockproof, Waterproof

Warranty

The Rix Optics Pocket K3 is covered by a 5-year warranty, giving long-term support for normal intended use of the device.

In the Box

• Rix Optics Pocket K3 thermal imaging monocular
• Carrying case
• Lanyard
• Lens cloth
• 18650 battery
• Battery charger
• USB Type-C cable