Advanced Detection and Resolution Thermal Monocular

Scout III 640

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Scout III 640 is the next generation of FLIR's field-proven compact thermal monoculars for outdoor recreation. Featuring a 640 x 480 resolution sensor, smooth 30Hz frame rate, and 640 x 480 pixel LCD screen, the Scout III 640, with better scene contrast than I2 night vision. Scout III displays the heat emitted by animals, humans, and terrain-day or night-and has multiple applications for legal hunting, camping, land management, and outdoor recreation.

  • See at Night in Any Terrain

    The Scout III 640 detects heat signatures of people, animals, and terrain up to 1246 yard (1140m) yards away.

  • Grab and Go Simplicity

    Scout III 640 starts up in seconds and requires no training to operate.

  • Compact and Rugged

    The Scout III 640's rugged, weather-tight (IP67) casing weighs only 12 oz, but handles hard drops and shallow water.

System Overview
Built-in Display
640 × 480 LCD Display
Detector Type
640 × 512 VOx Microbolometer
Drop Test Rating
1 m
Focal Length
33mm Fixed Focus
Image Processing
FLIR Proprietary Digital Detail Enhancement ™
Operating Temperature
-4 ° F to 122 ° F (-20 ° C to 50 ° C)
Package Includes
Handheld Thermal Camera, USB Power Adapter/Charger, Wrist strap, Custom Video out cable (320 & 640 versions), USB Cable, Quick Start Guide, Molle bag
IP-67, Submersible
Size (L x W x H)
6.70" × 2.31" × 2.44"
Storage Temperature
-40 ° F to 140 ° F (-40 ° C to 60 ° C)
Thermal Sensitivity
<50 mK @ f/1.0
7.5 - 13.5 µm
Weight [incl lens]
12 oz (340 g)
Imaging & Optical
Field of view (FOV)
18° × 14° NTSC
Image Polarity
White Hot/Black Hot/InstAlert ™ ; Selectable
On-Screen Symbology
Battery life
> 5 Hours
Battery type
Internal Li-Ion Cell
Start Up Time
< 1.5 seconds
Black Hot & White Hot
Adjusts display Brightness Setting
White Hot/Black Hot/InstAlert ™ ; Selectable
Power Button
On / Off
Splash Screen
Task Light
LED Enabled during Power off state
Video Output
NTSC composite video (Switchable to PAL w/GUI) - 320 Model only
Video Refresh Rate
30 Hz NTSC
Zoom Button
2×, 4× Zoom
Range Performance
Detect Man (18m x 05m)
1,246 yards (1140m)

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Scout III 640