DNT Optics Hydra HS325 vs DNT Optics ThermNight TNC335R
The Hydra HS325 runs a 384×288 core at 12 µm behind a 25 mm lens; the ThermNight TNC335R runs 384×288 at 12 µm behind 35 mm. The Hydra HS325 is lighter by 12.2 oz. Approximate prices are ~$1,550 and ~$2,200.
How far you can see a person
Make out detailTell what it isSpot itMaker’s claim
DNT Optics Hydra HS325384×288 · 12 µm · 25 mm
80 m make out detail130 m tell what it is521 m spot it
DNT Optics ThermNight TNC335R384×288 · 12 µm · 35 mm
112 m make out detail182 m tell what it is729 m spot it
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Calculated from the sensor's pixel pitch and the lens focal length, for clear air.