Fortuna General 40M3 Thermal Imaging Monocular

• 384x288 thermal sensor: The microbolometer sensor gives the Fortuna General 40M3 enough detail for confident target detection and terrain reading at short to medium distances, while the 17.00 μm pixel pitch helps preserve image definition without making the device bulky.
• 40 mm F1 objective: A fast 40.00 mm lens gathers thermal radiation efficiently, which helps the monocular show stronger contrast in poor weather and during temperature transitions at dawn, dusk, or at night.
• 800x600 AMOLED display: The AMOLED screen delivers a clear, high-contrast viewing image with deep blacks, making prolonged observation easier on the eye and helping small heat signatures stand out more naturally.
• 3x to 7x viewing range: The base 3.00 x magnification is useful for scanning and identification at moderate distance, while the higher viewing range lets the user inspect detail more closely without changing devices.
• Compact metal housing: The 580.00 g body combines manageable carry weight with a durable metal construction, nitrogen filling, and waterproof and fogproof protection for dependable field use in cold, wet, and changing conditions.

About the Fortuna General Series

Fortuna General is a family of compact thermal devices intended for short- and medium-range use, positioned as a versatile line for hunters and shooters who need one platform for observation and, in some configurations, weapon-mounted use. Across the series, Fortuna offers models with 384 × 288 or 640 × 480 sensors, all built around a 17 μm pixel pitch, giving the range a consistent balance of image detail, device size, and practical field handling.

The series includes 25 mm, 40 mm, and 50 mm lens variants, allowing users to choose between wider viewing angles or greater reach depending on terrain and task. General models share a rubberized aluminum housing, waterproof construction, and automatic silent calibration, features that support discreet observation and reliable use in poor weather. An 800 × 600 AMOLED display is another common series trait, chosen for clear contrast and easy viewing in darkness. Fortuna also describes the General line as resistant to recoil from large-caliber firearms, underlining the robust mechanical design philosophy behind the platform.

About the Fortuna General 40M3 Thermal Imaging Monocular

The Fortuna General 40M3 Thermal Imaging Monocular is configured for users who want a handheld thermal monocular with enough optical reach for field observation, route scanning, and game detection beyond close woodland distances. Its 3.00 x base magnification gives a more detailed starting image than lower-power thermal viewers, which is useful when the priority is identifying heat sources rather than covering the widest possible area. With a viewing range up to 7.00 x, the monocular can inspect animals, edges of cover, and heat signatures at longer distances without adding the bulk of a larger objective system.

The combination of a 384x288 microbolometer sensor, 17.00 μm pixel pitch, and 50.00 Hz refresh rate gives the image a stable, fluid look when panning across terrain or tracking moving subjects. Its 40.00 mm F1 lens supports a stated detection range of 1300.00 m, while the 9.30 ° field of view still remains practical for scanning open ground and field edges. The 800x600 AMOLED display presents the thermal image with strong contrast, and the central focusing and central diopter adjustment make the device straightforward to tune quickly in the field.

Mechanically, the 40M3 is built for hard outdoor use. The metal housing, nitrogen filling, waterproof and fogproof construction, and operating range of - 30° / + 50° C support dependable use in winter cold, damp air, and rapid temperature changes. At 580.00 g and 195.00 mm long, it remains portable enough for extended handheld observation, while automatic brightness control and auto turn-off help manage usability and battery life during longer outings.

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. Alongside hardware production, Fortuna develops software for its own products, which reflects a product strategy centered on integrating the optical, electronic, and control sides of thermal imaging devices.

The company’s range includes thermal sights, monoculars, binoculars, and clip-on attachments, showing a clear specialization in field-use thermal optics rather than general consumer electronics. Within that lineup, the General family is aimed at short- and medium-range work and is offered in both 384 × 288 and 640 × 480 formats. Fortuna also describes General devices as using electronic silent calibration, a practical feature for users who value discreet operation during observation or shooting activities.

Main Features

• Magnification: 3.00 x
• Maximum magnification: 7.00 x
• Objective lens diameter: 40.00 mm
• Lens aperture: F1
• Field of view: 162.00 m/1000m
• Field of view (degrees): 9.30 °
• Eye relief: 25.00 mm
• Close focus: 10.00 m
• Detection range: 1300.00 m
• Diopter range: -5 / +5 Dpt
• Thermal sensor type: Microbolometer
• Sensor resolution: 384x288
• Pixel pitch: 17.00 μm
• NETD: 60.00 mK
• Refresh rate: 50.00 Hz
• Calibration mode: Automatic
• Display type: AMOLED
• Display resolution: 800x600
• Built-in rangefinder: No
• Video recording: No
• Image capture: No
• Battery type: CR123A
• Battery life: 5.00 h
• Length: 195.00 mm
• Width: 72.00 mm
• Height: 55.00 mm
• Weight: 580.00 g
• Housing material: Metal
• Waterproof: Yes
• Fogproof: Yes
• Nitrogen filled: Nitrogen
• Working temperature range: - 30° / + 50° C
• Focusing system: Central
• Diopter setting position: Central
• Auto turn-off: Yes
• Automatic brightness control: Yes

Warranty

Fortuna provides a 2-year warranty for the Fortuna General 40M3 Thermal Imaging Monocular. This stated warranty period matches the product specification and supports the device’s role as a field-use thermal optic.