InfiRay Finder FH35R thermal imager with 640×512 pixel resolution, 12 micron thermal sensor, 35mm lens and <35mK thermal sensitivity allows detection of objects up to 1818m. The laser rangefinder works up to 800m with an error of 1m. Video recording and photography functions, ergonomic design and compact size guarantee leadership among all thermal imagers in their segment. With the Finder FH35R, no objects will be missed at night, even if there are obstacles in the observation area, such as bushes, tall grass, fog, or smoke, and the image will be as clear as crystal clear. What does the model name mean and how to decipher it? FH35R, F - Finder series, meaning they are rangefinder thermal imagers; H - High Resolution, highest resolution 640×512 pixels, 12 micron thermal sensor (in FL version L - Low resolution, medium resolution thermal sensor); 35 is a 35mm lens; R – recording (means that it has a recording and photo function).