Unfortunately, it's difficult to predict exactly how many photos you will be able to fit on a CompactFlash card. The higher the resolution, the bigger the file will be.
Uncompressed files are the largest, and compression formats vary in size.
Your camera model and the shooting conditions Each camera gives slightly different results, and you may even get a different number of photos per card depending on the subject you are shooting and the current light conditions. Taking those factors into consideration, the chart below can give you some general guidelines for how many pictures average users can fit on various sizes of CompactFlash cards. For more information about how we arrived at these numbers, see Calculating the Size of a Digital Photo . 1024 x 768 Min. Inc. All rights reserved.