In general, compression ratio depends on which image size and quality you have selected. Here is the sample data of image size for a full-size image (2048x1536) in the respective quality mode. Since the image size may vary depending on scenes and subjects, these are approximate values only. Economy: 0.95 MB, Standard: 0.9 MB, Fine: 1.6 MB, Super Fine: 9.1 MB, no image compression applied RAW: 6.1 MB For the respective storage capacity, please see the instruction manual.