← ComparisonsCalculated from the sensor's pixel pitch and the lens focal length, for clear air.
Side by side
ATN ThOR 5 LRF 640 3-24x vs DNT Optics ThermNight TNC635R
The ThOR 5 LRF 640 3-24x runs a 640×480 core at 12 µm behind a 35 mm lens; the ThermNight TNC635R runs 640×512 at 12 µm behind 35 mm. The ThermNight TNC635R has 1.1× the pixels. The ThermNight TNC635R is lighter by 9.0 oz. Approximate prices are ~$3,195 and ~$3,160.
How far you can see a person
Make out detailTell what it isSpot itMaker’s claim
ATN ThOR 5 LRF 640 3-24x640×480 · 12 µm · 35 mm
112 m make out detail182 m tell what it is729 m spot itmaker claims 2,650 m
DNT Optics ThermNight TNC635R640×512 · 12 µm · 35 mm
112 m make out detail182 m tell what it is729 m spot it
501002005001k2k5k m
| Spec | ATNATN ThOR 5 LRF 640 3-24x | DNT OpticsDNT Optics ThermNight TNC635R |
|---|---|---|
| Published | ||
| Sensor | 640×480 | 640×512 |
| Pixel pitch | 12 µm | 12 µm |
| NETD | — | ≤18 mK |
| Refresh rate | 60 Hz | 50 Hz |
| Lens | 35 mm | 35 mm |
| Base magnification | 3× | 1.5× |
| Digital zoom | up to 24× | up to 6× |
| Field of view | 12.6° horizontal | 12.52° horizontal |
| Display | 1024x768 OLED | 1920x1080 OLED |
| Claimed detection | 2,650 m | — |
| Claim basis | human-sized target (ATN product page 2900 yd; ATN manual 'Human Detection Range' lists 1600) | — |
| Run time | 10 h | 5.5 h |
| Battery type | Internal Li-ion | Removable pack |
| Weight | 34.6 oz | 25.6 oz |
| Length | 13.4″ | 9.2″ |
| Laser rangefinder | Yes | Yes |
| Ballistic calculator | Yes | Yes |
| Records video | Yes | Yes |
| Wi-Fi | Yes | Yes |
| IP rating | — | IP67 |
| Warranty | 5 years | 2 years |
| Country of origin | USA | — |
| Approx. price | ~$3,195 | ~$3,160 |
| Derived here | ||
| IFOV | 0.343 mrad | 0.343 mrad |
| Est. detection | 729 m | 729 m |
| Est. recognition | 182 m | 182 m |
| Est. identification | 112 m | 112 m |
| Claim ÷ estimate | 3.6× | — |
| Derived field of view | 12.5° | 12.5° |
| Pixels per degree | 51.1 | 51.1 |
| Where to buy | ATN → | DNT Optics → |
Tinted rows are where these two differ. Prices are approximate.