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HDR (High Dynamic Range) photography is a technique used to create photographs of scenes with both very bright and very dark sections without the result becoming either washed out or too dark. Done right the results can be quite spectacular. This is accomplished by taking multiple photos of the same scene with different exposure times. These separate photos are then combined in a smart way to create a result that has good exposure across the entire image. Wikipedia article about HDR Almost all cameras allow you to control the exposure - as long as you can take three photos of a scene with different exposures you can use YoHDR!