← ComparisonsCalculated from the sensor's pixel pitch and the lens focal length, for clear air.
Side by side
Sig Sauer ECHO RV35 vs Sig Sauer ECHO SV35-LRF
The ECHO RV35 runs a 640×512 core at 12 µm behind a 35 mm lens; the ECHO SV35-LRF runs 640×512 at 12 µm behind 35 mm. The ECHO SV35-LRF is lighter by 1.2 oz. Approximate prices are ~$3,500 and ~$4,000.
How far you can see a person
Make out detailTell what it isSpot itMaker’s claim
Sig Sauer ECHO RV35640×512 · 12 µm · 35 mm
112 m make out detail182 m tell what it is729 m spot it
Sig Sauer ECHO SV35-LRF640×512 · 12 µm · 35 mm
112 m make out detail182 m tell what it is729 m spot it
501002005001k2k5k m
| Spec | Sig SauerSig Sauer ECHO RV35 | Sig SauerSig Sauer ECHO SV35-LRF |
|---|---|---|
| Published | ||
| Sensor | 640×512 | 640×512 |
| Pixel pitch | 12 µm | 12 µm |
| NETD | ≤20 mK | ≤20 mK |
| Refresh rate | 50 Hz | 50 Hz |
| Lens | 35 mm | 35 mm |
| Base magnification | 2× | 1.5× |
| Digital zoom | up to 16× | up to 12× |
| Field of view | 12.5° horizontal | 12.57° horizontal |
| Display | 1024x768 OLED | 1024x768 OLED |
| Run time | 12 h | 11 h |
| Battery type | Internal + removable | 18650 |
| Weight | 31.7 oz | 30.5 oz |
| Length | 14.8″ | 10.7″ |
| Laser rangefinder | No | Yes |
| Ballistic calculator | No | Yes |
| Records video | Yes | Yes |
| Wi-Fi | Yes | Yes |
| IP rating | IP67 | IP67 |
| Warranty | Infinite Guarantee | Infinite Guarantee |
| Approx. price | ~$3,500 | ~$4,000 |
| Derived here | ||
| IFOV | 0.343 mrad | 0.343 mrad |
| Est. detection | 729 m | 729 m |
| Est. recognition | 182 m | 182 m |
| Est. identification | 112 m | 112 m |
| Derived field of view | 12.5° | 12.5° |
| Pixels per degree | 51.1 | 51.1 |
| Where to buy | Amazon → | Sig Sauer → |
Tinted rows are where these two differ. Prices are approximate.