Thermal binoculars / RIX Optics
RIX Optics RENV-B Gen 2+ 1800-2000 FOM White
640×512 · 12 µm · 16 mm · 8 h · MSRP $11,339
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Coyote at 100 yd
8 px tall at the shoulder
Coyote at 200 yd
4 px tall at the shoulder
Coyote at 300 yd
3 px tall at the shoulder
Identify a coyote out to
Identification distance
Our estimate of how far away you can tell a coyote from a fox or a dog. It is calculated from the lens and sensor, assuming good conditions.
~70 yd
Tied for the shortest of the 42 current thermal binoculars we track.
Ground across the screen at 100 yd
Field width
How many feet of ground fill the screen at 100 yards. Wider makes scanning faster; narrower usually means more detail on the animal.
144 ft
Tied for the widest of the 42 current thermal binoculars we track.
Specs
| Sensor | |
|---|---|
| Resolution Sensor resolution How many heat-reading pixels the sensor has, such as 384 × 288 or 640 × 512. More pixels show more detail, but the lens matters just as much. | 640 × 512 |
| Pixel pitch Pixel pitch The size of each sensor pixel, in microns. Smaller pixels mean more magnification from the same lens. Most current thermals use 12 microns. | 12 µm |
| NETD (maker’s claim) NETD (thermal sensitivity) How small a temperature difference the sensor can show. Lower is better, but brands measure it differently, so numbers from two makers are not a fair comparison. | <30 mK |
| Refresh rate Refresh rate How many times per second the picture updates. 50 or 60 times a second looks smooth; lower rates stutter when you pan or a coyote runs. | 50 Hz |
| Optics | |
| Lens Focal length The lens number in millimeters, like 35 mm or 50 mm. A longer lens puts more pixels on a distant animal but shows a narrower slice of ground. | 16 mm f/1.1 |
| Base magnification Base magnification How much bigger things look before any digital zoom, like 2× or 4×. Higher is not automatically better: it narrows your view. | 1× |
| Max digital zoom Digital zoom Electronic enlarging of the picture. It makes the animal look bigger but adds no detail; past about 2× to 4× the image gets blocky. | Not published |
| Field of view Field of view How wide a view you get, in degrees. A wide view makes scanning for animals faster; a narrow one usually means more magnification. | 25.8° × 19.1°Night vision binocular with a thermal overlay: two Gen 2+ tubes (1800-2000 FOM White, 64 lp/mm; FOM published only as the grade range; tube maker not named) behind 25 mm F1.2 lenses with a 40° field, plus a 640x512 thermal channel. The thermal channel is stored. NETD is published as <30 mK. Detection is RIX Tactical's 1,500 m; no target size given. GPS, azimuth and a Bluetooth remote. Tube-only runtime: web up to 60 h, manual up to 100 h; thermal palettes: web white hot / orange hot, manual white hot / black hot. Also sold as a housing without tubes ($5,669). |
| Detection range (maker’s claim) Detection range The maker's figure for how far away a warm object shows up as a dot or two. It is far longer than the distance you can tell what the animal is. | 1,640 yd |
| Display | |
| Display Display resolution How many pixels the small screen inside the eyepiece has. A sharp screen looks cleaner but cannot add detail the sensor did not capture. | OLED 800 × 600 |
| Power | |
| Battery | 2 x 18650, removable |
| Runtime Battery life (runtime) How many hours the device runs on a charge, by the maker's test. Real runtime is shorter in the cold and with Wi-Fi, recording or the rangefinder on. | 8 h |
| Features | |
| Rangefinder Laser rangefinder A built-in laser that measures how far away the animal is. The rated range is for big, reflective targets; expect much less on a coyote. | No |
| Storage Onboard recording (storage) Built-in memory that records photos and video of what you see. Useful for reviewing shots and sharing hunts; listed in gigabytes. | — |
| Wi-Fi / app Wi-Fi and app A wireless link to a phone app for live viewing, downloading videos, changing settings and updating the device's software. | — |
| Build | |
| Weight Weight How heavy the device is. Check whether the maker weighed it with or without the battery, because brands do it differently. | 20.2 oz |
| Water rating IP rating (water rating) A two-part code for how well the device keeps out dust and water. IP67 means dust-tight and survives a short dunk; an X means not tested. | IP67 |
| Operating temp Operating temperature The temperature range the maker says the device will work in. Batteries lose much of their runtime well before the low end of that range. | -40°F to 122°F |
| Buying | |
| Warranty Warranty How long the maker promises to repair or replace a faulty unit. Check whether it needs registration and whether it passes to a second owner. | 5 years (image intensifier tubes 1 year) |
| US price US price The price we found for the unit in the US, with where it came from and when. Prices change often, so treat it as a snapshot. | Not found |
| MSRP MSRP The maker's suggested retail price in the US: the list price, before any sale. Useful for seeing how good a deal really is. | $11,339RIX Tactical price on rixtactical.com, October 12, 2026 |
Source: RIX Tactical RENV-B product page (specs, tube grades and prices), RIX Tactical RENV-B user manual (PDF), RIX Tactical warranty page.
Added October 12, 2026 · Specs last checked October 12, 2026
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