In general, storage capacity depends on which image size and quality you have selected. For your information, here is number of full size images (2560x1920) that can be stored in a 16MB Compact Flash in the respective image quality mode. Since the image size may vary depending on scenes and subjects, these are approximate values only. • Economy: 20 • Standard: 12 • Fine: 6 • Super Fine: 1 • RAW: 1 For more details, please see the instruction manual.