← All units
Calculated from the sensor's pixel pitch and the lens focal length, for clear air. 
How far you can see a person
160 m make out detail260 m tell what it is1,042 m spot it┆ maker’s claim
501002005001k2k5k m
Armasight quotes 1,865 m, 1.8× our figure, because makers usually measure against a person’s full height rather than their width. Why the numbers differ
ArmasightRiflescope · 640-class
Armasight Contractor 640 3-12x50
- Approx. price
- ~$2,999
- Sensor
- 640×480 · 12 µm
- Lens
- 50 mm · 3.2×
- Weight
- 32 oz
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Best for
A dedicated night rifle for hogs and coyotes on open ground
01Specifications
As published by Armasight. Sources: armasight.com (sale $2,999-3,199; MSRP $5,299).
- Sensor
- 640×480
- Pixel pitch
- 12 µm
- NETD
- <40 mK
- Refresh rate
- 60 Hz
- Lens
- 50 mm
- Digital zoom
- up to 4×
- Field of view
- 8.8° horizontal
- Display
- 1024x768 AMOLED
- Claimed detection
- 1,865 m
- Claim basis
- human-sized target
- Run time
- 4 h
- Battery type
- CR123
- Weight
- 32 oz
- Length
- 9.4″
- Records video
- Yes
- Wi-Fi
- Yes
- IP rating
- IP67
- Warranty
- 3 years
- Approx. price
- ~$2,999
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
- Takes CR123 batteries you can swap in the field
- Waterproof (IP67), survives a dunking
- Records video and connects to a phone app
Against it
- Only 4 h of battery
- No rangefinder, so you judge distance by eye
03Compare the 3-12x50
04Related units
ArmasightRiflescope
Armasight Contractor 640 2.3-9.2x35
Est. detection
729 m
Maker’s claim
1,305 m
- Sensor
- 640×480
- Pitch · Hz
- 12 µm · 60
- Lens
- 35 mm
60 Hz · 28.6 oz~$2,999
ArmasightRiflescope
Armasight Commander 640 1.5-6x35
Est. detection
729 m
Maker’s claim
1,300 m
- Sensor
- 640×480
- Pitch · Hz
- 12 µm · 60
- Lens
- 35 mm
60 Hz · 22.3 oz~$2,699
Bering OpticsRiflescope
Bering Optics Super Yoter R 50
Est. detection
1,042 m
Maker’s claim
2,000 m
- Sensor
- 640×480
- Pitch · Hz
- 12 µm · 50
- Lens
- 50 mm
20 oz~$3,395