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Forum: Digital Processing, Software, and Printing
06-28-2018, 05:25 PM
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Please note the comment about the card reader. If your card reader recognizes the lock tab, the card is essentially 'locked". Most of the newer card readers I have seen do not recognize the tab. Test your card reader and act appropriately.
Also, if you are concerned about battery draining activities and you think that formatting your SD cards will drain your camera's battery you have bigger problems than what format you are using. Remember, the FAT file system has been in use since the MS-DOS days (that's the early 80's ya know). On my PC's in the 2000 time frame, NTFS was my file system of choice, so FAT stuff was secondary.
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Forum: Digital Processing, Software, and Printing
06-27-2018, 04:19 PM
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The file system used on SD cards is FAT which is prone to fragmentation by its very nature. Deleting images from the SD card has not been recommended as a method since the early days of digital. Even my old Toshiba (2002) digital camera manual suggested that deleting images off of the memory card (not a SD card) would eventually lead to problems. The software provided with the Toshiba camera would copy the images into its file structure, validate that the image was really there, then format the card.
SD cards are essentially hard drives, the file system is common to PC's and is based on Microsoft's FAT file system from back in the MS-DOS days. FAT32 and exFAT are newer variations leading to greater capacity, but they are still FAT systems. While using the SD Associations formatter is a good idea - for troubled cards - the best practice is to copy the images from the SD card (locked if your card reader supports it) and format the cards in camera. This was recommended to me in 2005 by the director of the digital lab at Santa Fe Workshops. I use a PC and they were using, and still are, Mac's.
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