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Calculated from the sensor's pixel pitch and the lens focal length, for clear air. 



How far you can see a person
80 m make out detail130 m tell what it is521 m spot it┆ maker’s claim
501002005001k2k5k m
ATN quotes 2,470 m, 4.7× our figure, because makers usually measure against a person’s full height rather than their width. Why the numbers differ
ATNRiflescope · 640-class · Laser rangefinder
ATN ThOR 5 LRF 640 2-16x
- Approx. price
- ~$2,995
- Sensor
- 640×480 · 12 µm
- Lens
- 25 mm · 2×
- Weight
- 34.2 oz
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Best for
Night shooting where ranging matters — hogs and coyotes past 150 yards
01Specifications
As published by ATN. Sources: atncorp.com (product page, compare API, ThOR 5 manual), scheels.com, lens: atncorp.com spec (25 mm objective).
- Sensor
- 640×480
- Pixel pitch
- 12 µm
- Refresh rate
- 60 Hz
- Lens
- 25 mm
- Digital zoom
- up to 8×
- Field of view
- 17.6° horizontal
- Display
- 1024x768 OLED
- Claimed detection
- 2,470 m
- Claim basis
- human (ATN product page 2700 yd; ATN manual lists 1250)
- Run time
- 10 h
- Battery type
- Internal Li-ion
- Weight
- 34.2 oz
- Length
- 13.4″
- Records video
- Yes
- Wi-Fi
- Yes
- Warranty
- 5 years
- Country of origin
- USA
- Approx. price
- ~$2,995
02Pros and cons
From the published specs, not owner reports.
For it
- 640×480 sensor, 2.8× the detail of an entry-level 384
- Smooth 60 Hz picture on a running animal
- Built-in laser rangefinder that feeds the ballistic calculator
- 10 h of battery, 33rd-longest of 344 here
- Records video and connects to a phone app
- Warranty: 5 years
Against it
- Sensitivity (NETD) not published
- Built-in battery, so no swapping in the field
- Short 25 mm lens: a wide view, but less reach than a 50 mm scope
- No waterproof rating published
- Zoom past 2× is digital and gets blurry
03Compare the 2-16x
04Related units

ATNRiflescope
ATN ThOR 5 640 2-16x
Est. detection
521 m
Maker’s claim
2,470 m
- Sensor
- 640×480
- Pitch · Hz
- 12 µm · 60
- Lens
- 25 mm
60 Hz · 30 oz~$2,695

ATNRiflescope
ATN ThOR LTV 640 2-6x
Est. detection
521 m
Maker’s claim
2,010 m
- Sensor
- 640×480
- Pitch · Hz
- 12 µm · 60
- Lens
- 25 mm
60 Hz · 22.9 oz~$2,395

ATNRiflescope
ATN ThOR 5 640 3-24x
Est. detection
729 m
Maker’s claim
2,650 m
- Sensor
- 640×480
- Pitch · Hz
- 12 µm · 60
- Lens
- 35 mm
60 Hz · 30.3 oz~$2,895