In part two of the thermal vision series, we take the NocPix Lumi P13 into the field. This thing weighs about as much as a can of Coke, fits in your pocket, and can detect temperature differences of two-hundredths of a degree Celsius. Translation: I walked across my den floor in tennis shoes, turned around, and could see my footprints glowing in the thermal view.

I walk through the button layout (think touch-typing with four fingers), the best color palettes for spotting game, and how to use thermal for tracking blood trails. Whether you’re a squirrel hunter scanning the treetops or a deer hunter working the dawn, this is the practical field guide to getting the most out of thermal vision.

READ MORE: See the Heat, Not the Light