Fortuna General 40L6 Thermal Imaging Monocular

• 640x480 thermal sensor: The higher-resolution microbolometer gives the Fortuna General 40L6 Thermal Imaging Monocular a clearer thermal image with better target separation, which helps when scanning mixed terrain or identifying heat sources at longer distances.
• 40 mm F1 objective: A fast lens gathers more thermal energy, improving image brightness and contrast in poor weather and at night, while the 40 mm size keeps the unit practical for handheld observation.
• 800x600 AMOLED display: The AMOLED screen presents a crisp, high-contrast image that is easy to read in darkness, and it supports more comfortable extended observation than a lower-resolution display.
• 2x to 16x magnification range: The wide zoom span lets the monocular work both for broad-area scanning at base magnification and for checking detail at higher digital zoom without changing devices.
• Waterproof, fogproof rubberized housing: The protected aluminum-bodied design is built for field use in rain, cold, and temperature swings, helping the monocular stay dependable during hunting and outdoor observation.

About the Fortuna General Series

Fortuna General is a family of compact thermal scopes and monoculars intended for short- and medium-range use. Within the Fortuna lineup, the series sits as a practical platform for users who need a thermal device that balances manageable size with enough sensor performance for real field work. General models are offered with 384 × 288 or 640 × 480 sensors, all using 17 μm pixel pitch, and the range includes 25 mm, 40 mm, and 50 mm lens variants to suit different observation distances and field-of-view preferences.

A defining trait of the series is its rubberized aluminum housing and waterproof construction, which make the devices suitable for demanding outdoor use. Fortuna also equips the General line with automatic silent calibration and an 800 × 600 AMOLED display, combining stable image presentation with discreet operation in the field. Depending on configuration, General devices can serve as handheld thermal optics or be adapted for weapon use, which gives the series a flexible role across hunting, night observation, and shooting applications.

About the Fortuna General 40L6 Thermal Imaging Monocular

The Fortuna General 40L6 Thermal Imaging Monocular is built for users who want a thermal observation device with enough image detail for confident spotting, but without the bulk of a larger dedicated sight. Its 640x480 microbolometer sensor with 17.00 μm pixel pitch gives this model a clear advantage when reading terrain structure, separating animals from background clutter, or following heat signatures beyond the range where lower-resolution units begin to lose definition. With a stated detection range of 1350.00 m, it is suited to open-ground scanning as well as woodland edge observation.

The optical setup combines 2.00 x base magnification with a zoom range up to 16.00 x, allowing the monocular to move from wide-area searching to closer inspection of a suspected target. Its 40.00 mm F1 objective supports strong thermal collection, which helps preserve image contrast in cold, damp, or low-contrast conditions. A 15.20 ° field of view also makes the device easier to use for scanning, because more ground can be covered with less movement.

For viewing comfort, the monocular uses an 800x600 AMOLED display, 52.00 mm eye relief, and -5/+5 diopter adjustment, helping it accommodate different users during longer sessions. The silent calibration system avoids the interruption and noise associated with more intrusive calibration methods. In the field, the waterproof, fogproof housing, 620.00 g weight, WiFi connectivity, and operation from -30 / + 50 °C make it a practical thermal monocular for hunting optics and general night observation in difficult weather.

About Fortuna

FORTUNA is a Russian manufacturer focused on thermal imaging devices for hunting, night shooting, and sport shooting. The brand's thermal imagers are produced at LLC Modul in Moscow, Russia, and the company develops both the devices themselves and the supporting software used with its products. Its range covers thermal sights, monoculars, binoculars, and clip-on attachments, showing a clear specialization in field and shooting-oriented thermal optics rather than general consumer electronics.

The FORTUNA trademark was registered in 2010, and the company has built its product families around practical use cases in observation and shooting. In the General line in particular, Fortuna combines compact housings, silent electronic calibration, and sensor options up to 640 × 480 resolution. That focus on dedicated thermal platforms makes the brand relevant to users looking for purpose-built hunting optics and thermal imaging equipment.

Main Features

• Magnification: 2.00 x
• Magnification range: 2.00 x - 16.00 x
• Objective lens diameter: 40.00 mm
• Lens aperture: F1
• Field of view: 264.00 m/1000m
• Field of view (angular): 15.20 °
• Eye relief: 52.00 mm
• Close focus: 10.00 m
• Diopter adjustment: -5/+5
• Detection range: 1350.00 m
• Thermal sensor type: Microbolometer
• Sensor resolution: 640x480
• Pixel pitch: 17.00 μm
• NETD: 60.00 mK
• Temperature sensitivity: 50.00 mK
• Refresh rate: 25.00 Hz
• Calibration mode: Silent
• Display type: AMOLED
• Display resolution: 800x600
• Video recording: No
• Image capture: No
• Connectivity: Wifi
• Built-in rangefinder: No
• Battery type: CR123A
• Battery life: 5.00 h
• Dimensions: 225.00 mm x 72.00 mm x 55.00 mm
• Weight: 620.00 g
• Working temperature range: -30 / + 50 °C
• Waterproof: Yes
• Fogproof: Yes
• Color: Black

Warranty

Fortuna states a 2-year warranty for this thermal monocular.