Whether you are practicing photography professionally or just as a hobby, you probably like to enhance the quality of your digital pictures by adjusting things such as framing, contrast, white balance and exposure. And in order to have all the control you need on such aspects and several others when it comes to customizing your photo, you probably prefer creating images in a RAW format. In case you are also a Pentax fan, and just got a sleek K-30 model, for example, which you immediately set to take RAW images, you might be puzzled to discover a bunch of PEF files recorded on your camera’s memory card. What are these files and how to handle them?