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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
32 m make out detail52 m tell what it is208 m spot it
501002005001k2k5k m
AthlonHandheld monocular · 256-class
Athlon Cronus ATS P-Mini 250S
- Approx. price
- ~$500
- Sensor
- 256×192 · 12 µm
- Lens
- 10 mm · 0.4×
- Weight
- 7.2 oz
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Best for
Walk-and-scan glassing from a jacket pocket
01Specifications
As published by Athlon. Sources: athlonoptics.com.
- Sensor
- 256×192
- Pixel pitch
- 12 µm
- NETD
- ≤30 mK
- Lens
- 10 mm
- Digital zoom
- up to 1.6×
- Field of view
- 13.1° horizontal
- Display
- 466x466 OLED
- Run time
- 9 h
- Weight
- 7.2 oz
- Length
- 4.4″
- Records video
- Yes
- Wi-Fi
- Yes
- Approx. price
- ~$500
02Pros and cons
From the published specs, not owner reports.
For it
- 9 h of battery, 81st-longest of 344 here
- Light at 7.2 oz, 3rd-lightest of the 112 handhelds here
- Records video and connects to a phone app
- Wide 17° view for scanning a field
- ~$500, well under the ~$1,995 typical for handhelds here
Against it
- No rangefinder, so you judge distance by eye
- Entry-level 256×192 sensor, with less detail than a 640
- No waterproof rating published
- Zoom past 0.4× is digital and gets blurry
- Warranty terms not published
03Compare the 250S
04Related units

AGM Global VisionHandheld monocular
AGM Taipan V2 10-256
Est. detection
208 m
Maker’s claim
500 m
- Sensor
- 256×192
- Pitch · Hz
- 12 µm · 50
- Lens
- 10 mm
9.5 oz~$545

ATNHandheld monocular
ATN BlazeSeeker 210
Est. detection
208 m
Maker’s claim
420 m
- Sensor
- 256×192
- Pitch · Hz
- 12 µm · 50
- Lens
- 10 mm
9.5 oz~$429

ATNHandheld monocular
ATN BlazeSeeker 6 210
Est. detection
208 m
Maker’s claim
460 m
- Sensor
- 256×192
- Pitch · Hz
- 12 µm · 50
- Lens
- 10 mm
9.5 oz~$489