If you are using low cost point-and-shoot Canon digital camera. You can turn on all sorts of features usually reserved for more expensive SLRs. That includes live histograms, depth-of-field calculation, under and overexposure highlighting, and hold your breath… shooting your pictures in RAW too.
Read this article for more information. This technique uses the freeware firmware CHDK.
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I have canon A550, when i am making movie with 640, superfine, 30fps settings, the size of avi file is very big, why? How can I make or convert the video into smaller size file without loosing quality. it takes 200 mb space for 5-minute (approx) movie.
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