The magic of a trail camera is its ability to record incredible images and videos of wildlife in real-time. But for a long time, accessing that magic has meant multiple trips back and forth to the woods, pulling memory cards, swapping memory cards, and waiting until you’re back home to see the good stuff. Not so with a portable SD card reader. With one of these small, packable, inexpensive units, you can access all the images on your trail camera memory card right there in the field, sometimes using either a smartphone or e-tablet. There’s a wide range of approaches to the task, so here are three things to consider when choosing a portable SD card viewer.