← All units
Calculated from the sensor's pixel pitch and the lens focal length, for clear air. 
How far you can see a person
43 m make out detail70 m tell what it is279 m spot it┆ maker’s claim
501002005001k2k5k m
Teledyne FLIR quotes 500 m, 1.8× our figure, because makers usually measure against a person’s full height rather than their width. Why the numbers differ
Teledyne FLIRHandheld monocular · 640-class
Teledyne FLIR Scout Pro
- Approx. price
- ~$2,449
- Sensor
- 640×480 · 17 µm
- Lens
- 19 mm
- Weight
- 17.6 oz
Check price on Amazon
We may earn a commission. Price and availability on Amazon’s site may differ.
Best for
Scanning from a stand, a truck or a field edge
01Specifications
As published by Teledyne FLIR. Sources: flir.com product page + flir.com store ($2,449.00, in stock; public-safety, SAR line, successor to the discontinued Scion PTM; 'fixed focus' with no optical magnification published; display given only as XGA).
- Sensor
- 640×480
- Pixel pitch
- 17 µm
- NETD
- <38 mK
- Refresh rate
- 30 Hz
- Lens
- 19 mm
- Digital zoom
- up to 8×
- Field of view
- 32° horizontal
- Display
- 1024x768
- Claimed detection
- 500 m
- Claim basis
- human heat signature ('up to 500 meters')
- Run time
- 6 h
- Battery type
- Internal Li-ion
- Weight
- 17.6 oz
- Length
- 7.6″
- Records video
- Yes
- Wi-Fi
- Yes
- IP rating
- IP67
- Warranty
- 2 years (5 with registration)
- Approx. price
- ~$2,449
02Pros and cons
From the published specs, not owner reports.
For it
- 640×480 sensor, 2.8× the detail of an entry-level 384
- Waterproof (IP67), survives a dunking
- Records video and connects to a phone app
- Wide 32° view for scanning a field
Against it
- Choppy 30 Hz picture on a running animal
- Built-in battery, so no swapping in the field, and only 6 h of it
- No rangefinder, so you judge distance by eye
03Compare the Pro
04Related units
ArmasightHandheld monocular
Armasight Sidekick 640
Est. detection
396 m
Maker’s claim
709 m
- Sensor
- 640×480
- Pitch · Hz
- 12 µm · 60
- Lens
- 19 mm
60 Hz · 9 oz~$3,299
TrijiconHandheld monocular
Trijicon IR-PATROL IRMO-250
Est. detection
396 m
Maker’s claim
not published
- Sensor
- 640×480
- Pitch · Hz
- 12 µm · 60
- Lens
- 19 mm
60 Hz · 16 oz~$6,895
ArmasightHandheld monocular
Armasight Sidekick Pro 640 1-4x19
Est. detection
396 m
Maker’s claim
709 m
- Sensor
- 640×480
- Pitch · Hz
- 12 µm · 60
- Lens
- 19 mm
60 Hz · 9 oz~$2,999