The Hound H325R runs a 384×288 core at 12 µm behind a 25 mm lens; the Hydra HS325 runs 384×288 at 12 µm behind 25 mm. The Hound H325R is lighter by 2.8 oz. Approximate prices are ~$1,222 and ~$1,550.
How far you can see a person
Make out detailTell what it isSpot itMaker’s claim
DNT Optics Hound H325R384×288 · 12 µm · 25 mm
80 m make out detail130 m tell what it is521 m spot it
DNT Optics Hydra HS325384×288 · 12 µm · 25 mm
80 m make out detail130 m tell what it is521 m spot it
501002005001k2k5k m
Calculated from the sensor's pixel pitch and the lens focal length, for clear air.