This means you should be careful downloading from multiple folders to the same location on your computer, because files may have the same name. After this, a new folder is created on the card and the numbering starts again. This means that the highest file number within a folder is 9999. IMG is short for image, and it is followed by the four-digit file number. JPG shows that image has been saved in JPEG format. Here's a guide to what you may see, and what it means. The names assigned to image files vary slightly with different EOS cameras. The image will appear on the LCD screen with the two numbers in the top right. If you want to know the folder and file number of the shot you have just taken, press the playback button on the back of the camera and, if necessary, the Info button. This can be useful if you want to separate images taken at different times or of different subjects.
This allows you to create a new folder on the card when you want it, rather than every 9,999 images.
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If the memory card you insert into the camera already contains image files, the numbering sequence in both Continuous and Auto Reset modes will continue from the highest file number on the card, rather than continuing the camera sequence.ĮOS professional cameras offer a third numbering system called Manual Reset. It means that you will get files with the same file names every time you change card. The safest way to deal with this is by batch renaming, which we'll look at shortly.Īuto Reset: When this option is selected the camera returns to the start of the number sequence (100 for the folder, 0001 for the file) each time you insert a newly formatted card into the camera.
For instance, if you use two EOS non-pro digital cameras, you will have multiple files with the same file names.
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This can help avoid problems when you download the images to a folder on your computer, but it might not be ideal for your set-up. The advantage of this system is that, until you reach image 9999, every file has a unique number. So if you had been using folder 100 and the last number used was 0051, then the camera will create folder 101 on the new card and number the images saved to it starting with 0052. If you remove a memory card from your camera and replace it with a fresh, newly-formatted card (or switch target cards), the sequence will continue. Which you choose depends on how you like to work, but Continuous is the best choice for most photographers.Ĭontinuous numbering : As the name suggests, this numbers each new image in sequence from 0001 to 9999. EOS digital cameras offer you a choice of file numbering systems: Continuous or Auto Reset.