http://farbspiel-photo.com/pcs/video/mask-it-like-a-pro
Whether you’re an experienced Photoshop user or a beginner, this course will get you up to speed with one of the most important skills in photo editing: Creating layer masks effectively and efficiently. In the 21 lessons of this course, you will learn everything about layer masking starting at the basics, all the way to the most advanced techniques. ===== Learn everything there is to learn about High Dynamic Range (HDR) photography. 13 hours, 27 lessons, 12 images from start to finish, and all raw images included. You will learn the shooting techniques, how to prepare you images, how to tone map and blend them, and how to solve common problems in HDR photography. ===== Today’s photo editing applications have become extremely powerful and flexible. But this power is pointless if you don’t know how to use it to realize your creative vision. In this course, I’ll show you a technique and a workflow that enables you to take creative control of your images. You will surely learn a number of useful Photoshop tricks. But the real purpose of this course is to teach you the right mindset and an effective process for working with your images, developing a creative vision and implementing it with very simple means in any image editing software. 
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