Gallery question - am I dumb?

Started 6 months ago | Discussions thread
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Matt Shelton
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Gallery question - am I dumb?
6 months ago

Hi there.  I just can't figure something out about uploading a picture to My Gallery here in DPReview.  The maximum upload size is specified at no more than 20 mb, with a maximum of 30,000 pixels along any axis.

I shoot with a 5DIII, at a default aspect ratio of 3:2.  That's 5,760 pixels by 3,840 pixels.

I'm trying to upload a few pictures, and I've exported them to a file size of roughly 4 mb - so the 20 mb limit certainly isn't being exceeded.  However, I'm getting a "file is too large" error message.  How can that be?

Is "axis" defined as any edge of the picture? If so, the greatest amount of pixels along any edge in an uncropped picture out of my 5DIII is 5,760, well below the 30,000 pixel limit.  What am I missing here??

 Matt Shelton's gear list:Matt Shelton's gear list
Canon EOS 5D Mark III Canon EF 16-35mm f/2.8L II USM Canon EF 100mm f/2.8L Macro IS USM Canon EF 70-200mm f/2.8L IS II USM Canon Extender EF 1.4x III +3 more
Canon EOS 5D Mark III
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