ATN ThOR LTV 256 1.5-4.5x vs Sightmark Shade Thermal 2-16x15
The ThOR LTV 256 1.5-4.5x runs a 256×192 core at 12 µm behind a 12 mm lens; the Shade Thermal 2-16x15 runs 256×192 at 12 µm behind 15 mm. The Shade Thermal 2-16x15 is lighter by 2.9 oz. Approximate prices are ~$879 and ~$800.
How far you can see a person
Make out detailTell what it isSpot itMaker’s claim
ATN ThOR LTV 256 1.5-4.5x256×192 · 12 µm · 12 mm
38 m make out detail63 m tell what it is250 m spot itmaker claims 910 m
Sightmark Shade Thermal 2-16x15256×192 · 12 µm · 15 mm
48 m make out detail78 m tell what it is313 m spot it
501002005001k2k5k m
Calculated from the sensor's pixel pitch and the lens focal length, for clear air.