Fortuna General 50L3 Thermal Imaging Monocular

• 50 mm F/1.2 objective lens: The large, fast objective gathers more thermal energy, which helps the monocular show stronger contrast and better target definition at longer distances and in poor weather.
• 384x288 microbolometer with 17.00 μm pixel pitch: This sensor format gives the Fortuna General 50L3 enough detail for dependable detection and recognition while keeping the device compact enough for handheld field use.
• 800x600 AMOLED display: The AMOLED screen presents a clear, high-contrast image that is easy to read in darkness and helps reduce eye strain during longer observation sessions.
• Silent calibration and 50.00 Hz refresh rate: Quiet calibration avoids distracting clicks in the field, while the fast refresh rate keeps moving animals and scanning pans looking smoother and easier to follow.
• Waterproof, fogproof rubberized housing: The sealed, nitrogen-filled body is built for wet weather, temperature changes, and hard outdoor use, so the monocular remains dependable in demanding hunting conditions.

About the Fortuna General Series

Fortuna General is a family of compact thermal devices intended for short- and medium-range use, with models that can serve either as handheld observation tools or as weapon-mounted thermal sights. Within the Fortuna lineup, the series sits as a practical platform for hunters and shooters who need a durable thermal unit without moving to the company’s larger or more specialized systems. General-series models are built around 384 × 288 or 640 × 480 sensors with a shared 17 μm pixel pitch, giving buyers a choice between different levels of image detail while keeping the same overall operating concept.

A defining characteristic of the series is its combination of a rubberized aluminum housing, waterproof construction, and automatic silent calibration. That design approach favors reliability in the field and a less distracting viewing experience during observation. Fortuna also equips the series with an 800 × 600 AMOLED display, which supports clear image presentation and comfortable viewing in darkness. Lens options across the family include 25 mm, 40 mm, and 50 mm variants, allowing the user to choose between wider coverage or stronger reach depending on terrain and typical engagement distance.

About the Fortuna General 50L3 Thermal Imaging Monocular

The Fortuna General 50L3 Thermal Imaging Monocular is the longer-reaching configuration in the General family, built around a 50.00 mm F 1.2 objective and a 384x288 thermal sensor. This combination is aimed at users who want more detection capability than a compact short-range thermal can provide, while still keeping the device manageable for handheld observation. With a stated detection range of 1800.00 m, it is well suited to scanning open ground, field edges, and wider valleys where early spotting matters. The 3.50 x base magnification gives a more detailed starting image on distant heat sources, while the 14.00 x maximum magnification helps inspect targets more closely when identification is the priority.

The sensor uses a 17.00 μm pixel pitch, 50.00 Hz refresh rate, and 50.00 mK sensitivity, which together support stable viewing and useful thermal separation in changing weather. In practice, that means smoother tracking of moving animals and better visibility of subtle heat differences than lower-sensitivity systems tend to provide. The 800x600 AMOLED display adds contrast and viewing comfort, while the silent calibration mode keeps operation discreet in quiet surroundings.

Field handling is equally important here. The monocular offers -5 / +5 diopter adjustment, a generous 52.00 mm eye relief, and close focus down to 5.00 m, making it easier to adapt the image to the observer and to use the device for both scanning and shorter-range checks. Its waterproof, fogproof, nitrogen-filled body, rubberized exterior, and operating range of -30℃ - 50℃ make it suitable for demanding outdoor use across changing seasons.

About Fortuna

FORTUNA is a Russian manufacturer focused on thermal imaging devices for hunting, night shooting, and sport shooting. The FORTUNA trademark was registered in 2010, and the company’s thermal imagers are produced at LLC Modul in Moscow, Russia. Its product range covers thermal sights, monoculars, binoculars, and clip-on attachments, showing a clear specialization in observation and aiming systems built around thermal technology.

The company also develops software for its products, which is relevant in a category where image processing, calibration behavior, and user interface design strongly affect real field performance. Within the General line, Fortuna offers devices with 384 × 288 and 640 × 480 resolutions and uses electronic silent calibration as a core operating feature. That emphasis on practical thermal performance and shooting-oriented design has made the brand closely associated with dedicated hunting and night-use optics.

Main Features

• Magnification: 3.50 x
• Maximum magnification: 14.00 x
• Objective lens diameter: 50.00 mm
• Lens aperture: F 1.2
• Field of view: 129.00 m/1000m
• Field of view (angular): 7.40 °
• Eye relief: 52.00 mm
• Close focus: 5.00 m
• Detection range: 1800.00 m
• Thermal sensor type: Microbolometer
• Sensor resolution: 384x288
• Pixel pitch: 17.00 μm
• Temperature sensitivity: 50.00 mK
• Refresh rate: 50.00 Hz
• Calibration mode: Silent
• Display type: AMOLED
• Display resolution: 800x600
• Connectivity: Wifi
• Built-in rangefinder: No
• Battery type: CR123A
• Battery life: 5.00 h
• Length: 239.00 mm
• Width: 74.00 mm
• Height: 57.00 mm
• Weight: 640.00 g
• Working temperature range: -30℃ - 50℃
• Filled with: Nitrogen
• Waterproof: Yes
• Fogproof: Yes

Warranty

Fortuna General 50L3 is covered by a 2-year warranty.