http://photography.tutsplus.com/tutorials/how-to-correct-your-images-with-apple-photos--cms-26656?utm_campaign=yt_tutsplus_GifczdLq3fg&utm_medium=referral&utm_source=youtube.com&utm_content=description ▶ Photos is an easy-to-use piece of software, but it has more advanced tools for power users hiding behind the scenes. You just have to know how to enable them!