AGM Rattler V2 25-256 vs Armasight Contractor 320 3-12x25
The Rattler V2 25-256 runs a 256×192 core at 12 µm behind a 25 mm lens; the Contractor 320 3-12x25 runs 320×240 at 12 µm behind 25 mm. The Contractor 320 3-12x25 has 1.6× the pixels. On the Johnson yardstick they detect a person at 521 m and 521 m and recognize one at 130 m and 130 m; the boxes say 1,250 m and 932 m. The Rattler V2 25-256 is lighter by 9.2 oz. Approximate prices are ~$875 and ~$1,649.
Estimated range, standing human, clear air
IdentifyRecognizeDetectBox claim
AGM Rattler V2 25-256256×192 · 12 µm · 25 mm
80 m identify130 m recognize521 m detectbox says 1,250 m (6 ft (1.8 m) object)
Armasight Contractor 320 3-12x25320×240 · 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.