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| What's inside a digital camera? This is a cutaway view of the Canon Digital Rebel 1000D. Here's a more instructive diagram, showing the main optical paths. We'll take apart a camera in class. | Most photography books talk about depth of field and depth of focus, but few of them give a formula for it. Here it is. N is the F-number, f is focal length, C is pixel size, and U is distance to the scene. We'll study this formula in class, and you'll be asked to experiment with depth of field effects in your weekly photographic assignments. | This is a tough shot, because the arcade ceiling is much darker than the courtyard beyond. I solved it by combining three exposures, an idea called "high dynamic range" imaging. You don't need a special camera for this; we'll try it in class. Here are more shots from India. | Dorothea Lange's iconic portrait of a migrant mother during the Great Depression. We'll survey the history of photography and study the work of good photographers. |
