← 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
ATN quotes 1,550 m, 1.5× our figure, because makers usually measure against a person’s full height rather than their width. Why the numbers differ
ATNHandheld monocular · 320-class
ATN OTS LT 320 6-12x
- Approx. price
- ~$1,799
- Sensor
- 320×240 · 12 µm
- Lens
- 50 mm · 6×
- Weight
- 19.8 oz
Buy from ATN
Price and availability on ATN’s site may differ.
Best for
Scanning from a stand, a truck or a field edge
01Specifications
As published by ATN. Sources: atncorp.com (product page, compare API; lens: OTS LT manual + ATN 2022 catalog).
- Sensor
- 320×240
- Pixel pitch
- 12 µm
- Refresh rate
- 60 Hz
- Lens
- 50 mm
- Digital zoom
- up to 12×
- Field of view
- 4.5° horizontal
- Display
- 1280x960
- Claimed detection
- 1,550 m
- Claim basis
- human-sized target (ATN product page 1700 yd; ATN manual labels it 'Human Detection Range')
- Run time
- 9 h
- Battery type
- Internal Li-ion
- Weight
- 19.8 oz
- Length
- 7.7″
- Records video
- No
- Wi-Fi
- No
- Warranty
- 3 years
- Country of origin
- USA
- Approx. price
- ~$1,799
02Pros and cons
From the published specs, not owner reports.
For it
- Smooth 60 Hz picture on a running animal
- 9 h of battery, 81st-longest of 344 here
Against it
- Sensitivity (NETD) not published
- Built-in battery, so no swapping in the field
- Heavy at 19.8 oz, 23rd-heaviest of the 112 handhelds here
- No rangefinder, so you judge distance by eye
- Does not record video
- Entry-level 320×240 sensor, with less detail than a 640
03Compare the 6-12x
04Related units
ATNHandheld monocular
ATN ODIN LT 320 4-8x
Est. detection
729 m
Maker’s claim
1,380 m
- Sensor
- 320×240
- Pitch · Hz
- 12 µm · 60
- Lens
- 35 mm
60 Hz · 12.1 oz~$1,699
ATNHandheld monocular
ATN OTS LT 320 4-8x
Est. detection
729 m
Maker’s claim
1,380 m
- Sensor
- 320×240
- Pitch · Hz
- 12 µm · 60
- Lens
- 35 mm
60 Hz · 19.8 oz~$1,699
ATNHandheld monocular
ATN ODIN LT 320 3-6x
Est. detection
521 m
Maker’s claim
830 m
- Sensor
- 320×240
- Pitch · Hz
- 12 µm · 60
- Lens
- 25 mm
60 Hz · 10.1 oz~$1,499