The ECHO MV35 runs a 640×512 core at 12 µm behind a 35 mm lens; the ECHO RQ35 runs 384×288 at 12 µm behind 35 mm. The ECHO MV35 has 3.0× the pixels. The ECHO MV35 is lighter by 12.7 oz. Approximate prices are ~$2,500 and ~$2,100.
How far you can see a person
Make out detailTell what it isSpot itMaker’s claim
Sig Sauer ECHO MV35640×512 · 12 µm · 35 mm
112 m make out detail182 m tell what it is729 m spot it
Sig Sauer ECHO RQ35384×288 · 12 µm · 35 mm
112 m make out detail182 m tell what it is729 m spot it
501002005001k2k5k m
Calculated from the sensor's pixel pitch and the lens focal length, for clear air.