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Observation on memory card storage
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<blockquote data-quote="WayneF" data-source="post: 554233" data-attributes="member: 12496"><p>You made a comment about it that indicated it was a new subject for you, and they are just explaining to answer your puzzlement. You could say "thanks". <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>Nikons "card space for a number of shots remaining" is a very conservative measure. You can believe that many will still fit, and most likely quite a few more will fit too.</p><p></p><p>File sizes vary with compression degree. Raw too, but speaking of JPG, a couple of hundred JPG files (all same size in pixel dimensions) in one disk folder, sorted by file size, might vary 2 to 1 on file size in bytes. It depends on scene content. Areas of blank space (plain walls, clear skys) compress much better than highly detailed areas. That is the "smaller files" concept that was mentioned. Size in bytes.</p><p></p><p>Sort your image folder by file size and you will see this. My raw file folders usually do not vary as much as 2 to 1, but I have some that vary more than 3 to 1. So, how many more images will fit on the card "varies", depends on what you aim the camera at. Depends on the compressed file size. The large files will contain much detail, and the small files will contain more blank area.</p><p></p><p>Anyway, Nikons number of shots in card space remaining is very conservative. The camera does not know what images you will take, so it is more of a worst case, more of a failsafe safety factor. As you fill the card to near 100% (when it matters), it will become very much more accurate. When it gets down to "space for one more image", it will be precisely accurate.</p></blockquote><p></p>
[QUOTE="WayneF, post: 554233, member: 12496"] You made a comment about it that indicated it was a new subject for you, and they are just explaining to answer your puzzlement. You could say "thanks". :) Nikons "card space for a number of shots remaining" is a very conservative measure. You can believe that many will still fit, and most likely quite a few more will fit too. File sizes vary with compression degree. Raw too, but speaking of JPG, a couple of hundred JPG files (all same size in pixel dimensions) in one disk folder, sorted by file size, might vary 2 to 1 on file size in bytes. It depends on scene content. Areas of blank space (plain walls, clear skys) compress much better than highly detailed areas. That is the "smaller files" concept that was mentioned. Size in bytes. Sort your image folder by file size and you will see this. My raw file folders usually do not vary as much as 2 to 1, but I have some that vary more than 3 to 1. So, how many more images will fit on the card "varies", depends on what you aim the camera at. Depends on the compressed file size. The large files will contain much detail, and the small files will contain more blank area. Anyway, Nikons number of shots in card space remaining is very conservative. The camera does not know what images you will take, so it is more of a worst case, more of a failsafe safety factor. As you fill the card to near 100% (when it matters), it will become very much more accurate. When it gets down to "space for one more image", it will be precisely accurate. [/QUOTE]
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