Armasight Contractor 640 2.3-9.2x35 vs Armasight Jockey 640
The Contractor 640 2.3-9.2x35 runs a 640×480 core at 12 µm behind a 35 mm lens; the Jockey 640 runs 640×480 at 12 µm behind 25 mm. On the Johnson yardstick they detect a person at 729 m and 521 m and recognize one at 182 m and 130 m; the boxes say 1,305 m and 932 m. The Jockey 640 is lighter by 14.6 oz. Approximate prices are ~$2,999 and ~$3,799.
Estimated range, standing human, clear air
IdentifyRecognizeDetectBox claim
Armasight Contractor 640 2.3-9.2x35640×480 · 12 µm · 35 mm
112 m identify182 m recognize729 m detectbox says 1,305 m (human-sized target)
Armasight Jockey 640640×480 · 12 µm · 25 mm
80 m identify130 m recognize521 m detectbox says 932 m (human-sized target)
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.