← ComparisonsCalculated from the sensor's pixel pitch and the lens focal length, for clear air.
Side by side
ATN ThOR 6 LRF 640 2-16x vs DNT Optics Hydra HS635
The ThOR 6 LRF 640 2-16x runs a 640×512 core at 12 µm behind a 35 mm lens; the Hydra HS635 runs 640×512 at 12 µm behind 35 mm. The Hydra HS635 is lighter by 16.5 oz. Approximate prices are ~$2,595 and ~$2,550.
How far you can see a person
Make out detailTell what it isSpot itMaker’s claim
ATN ThOR 6 LRF 640 2-16x640×512 · 12 µm · 35 mm
112 m make out detail182 m tell what it is729 m spot itmaker claims 3,100 m
DNT Optics Hydra HS635640×512 · 12 µm · 35 mm
112 m make out detail182 m tell what it is729 m spot it
501002005001k2k5k m
| Spec | ATNATN ThOR 6 LRF 640 2-16x | DNT OpticsDNT Optics Hydra HS635 |
|---|---|---|
| Published | ||
| Sensor | 640×512 | 640×512 |
| Pixel pitch | 12 µm | 12 µm |
| NETD | ≤15 mK | ≤18 mK |
| Refresh rate | 50 Hz | 50 Hz |
| Lens | 35 mm | 35 mm |
| Base magnification | 2× | 1.5× |
| Digital zoom | up to 16× | up to 6× |
| Field of view | 12.52° horizontal | — |
| Display | 1920x1080 OLED | 1024x768 OLED |
| Claimed detection | 3,100 m | — |
| Claim basis | unspecified | — |
| Run time | 9 h | 4 h |
| Battery type | Internal + removable | 18650 |
| Weight | 30.2 oz | 13.7 oz |
| Length | 16.9″ | 7.9″ |
| Laser rangefinder | Yes | No |
| Ballistic calculator | Yes | No |
| Records video | Yes | — |
| Wi-Fi | Yes | Yes |
| IP rating | IP67 | IP67 |
| Warranty | 5 years | 2 years |
| Approx. price | ~$2,595 | ~$2,550 |
| 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 | 4.3× | — |
| Derived field of view | 12.5° | — |
| Pixels per degree | 51.1 | 51.1 |
| Where to buy | ATN → | Amazon → |
Tinted rows are where these two differ. Prices are approximate.