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The Vulkan 336 Thermal Biocular with 75mm Germanium Objective from Night Optics gives you the ability to observe heat sources of various origins during day or night. This long-wave infrared handheld thermal imager features a 336x288 VOx sensor with spectral range of 7-14 μm and sensitivity of 50mK. The optical system consist of 75mm focal length germanium lens system and offers 1x optical magnification, up to 4x digital zoom, and 9-12º angular field of view. The 800x600 dual OLED display has a refresh rate of 30 Hz and an output with different polarity modes: white hot, black hot, and sepia. A video-out port enables the use of optional external recording in PAL or NTSC format. Thermal imaging is extremely difficult to detect with other devices because they are passive and emit no energy, unlike laser targeting or near-infrared illumination used with NVDs.
Additionally, the Vulkan thermal biocular features water resistant housing, wide rim closed type eyecups for additional light insulation, a diopter and interpupillary adjustment. Also included with the main unit, are a soft case, a lanyard, a shoulder strap, a lens cleaning pad, a video cable, an external power cable, and three CR-123 batteries.
Spectral Range: 7-14 μm
Sensor Type: VOx
Lens: 75mm germanium
Magnification: 1x optical, 2x or 4x digital
Lens focal length: 75mm
Angular Field of View: 9-12º
800x600 dual OLED High Definition (HD) display
Selectable NTSC or PAL video-out
Polarity options: black hot, white hot and sepia
Refresh rate: 30Hz
Use and Handling
Diopter Adjustment: +2 to -6
Eye Relief: 17 mm
Aluminum lens housing
In the Box
Night Optics Vulkan 336 Thermal Biocular with 75mm Germanium Objective
Lens Cleaning Pad
External Power Cable
CR-123 (3V) Batteries
Limited 1-Year Warranty
Table of Contents
Digital: 2x, 4x
Field of View
75mm focal length, germanium lens
+2 to -6
Minimum Focus Distance
10' (3 m)
800x600, dual OLED
3 x CR-123 (3V) / 4 hr max
Not specified by manufacturer
9.25 x 6 x 4" (235 x 152 x 101 mm)
33 oz (940 g)
Night Optics Vulkan 336 Thermal Biocular with 75mm Germanium Objective Review