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What is 101NIKON on an SD card?

I don't know what is happening. Some of my pictures are now showing up on my SD card under a heading 101NIKON. What does this mean, what does it do, how did it get there, does it affect the quality/size/etc of the pictures?

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It just means that the 100NIKON folder filled up. Even though the filenames have four digits, allowing for 10000 pictures in each, many Nikon cameras switch to another folder when the number hits 1000. There is no effect on the quality/size/etc of the pictures; they're simply in a different folder.

Posted on Dec 03, 2012

Testimonial: "What you wrote seems to make sense except for the fact that I only have 224 pictures on a new 4GB SD card. Does your answer remain the same?"

  • 3 more comments 
  • kakima Dec 03, 2012

    Did the number in the filenames hit (or approach) 0999 ? If so, then yes my answer remains the same. Also, bear in mind that on some Nikon cameras there are ways for the user to change folders.

  • Sheilah Maresh Dec 04, 2012

    No ... the total number of photos on the new SD card is only 224.

  • Sheilah Maresh Dec 04, 2012

    How would I find out if somehow I inadvertantly changed folders?

  • kakima Dec 04, 2012

    You have only 224 pictures, but what are their names? Each filename has a four-digit number in it. Look at that number. Is the number climbing toward 0999?

  • kakima Dec 04, 2012

    The fact that you're seeing a folder named 101NIKON instead of 100NIKON indicates that something has changed the folder.



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