The ThOR 5 320 3-12x runs a 320×240 core at 12 µm behind a 19 mm lens; the ThOR LTV 320 3-9x runs 320×240 at 12 µm behind 19 mm. On the Johnson yardstick they detect a person at 396 m and 396 m and recognize one at 99 m and 99 m; the boxes say 2,010 m and 1,280 m. The ThOR LTV 320 3-9x is lighter by 7.1 oz. Approximate prices are ~$1,795 and ~$1,495.
Estimated range, standing human, clear air
IdentifyRecognizeDetectBox claim
ATN ThOR 5 320 3-12x320×240 · 12 µm · 19 mm
61 m identify99 m recognize396 m detectbox says 2,010 m (human (ATN product page 2200 yd; ATN manual lists 750))
ATN ThOR LTV 320 3-9x320×240 · 12 µm · 19 mm
61 m identify99 m recognize396 m detectbox says 1,280 m (human (ATN product page 1400 yd; ATN manual lists 715))
501002005001k2k5k m
Estimated from pixel pitch and lens focal length using the Johnson criteria (2, 8 and 13 pixels across a 0.5 m human critical dimension), clear air, 50 % probability. A model of the optics, not a measurement — real range depends on temperature contrast, humidity and the animal.