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A camera is not engineered as a display device, so you may need a different method of displaying your photos.
I copied a jpeg to my SD memory disk created by a Nikon camera. When I select that image with my camera, I get a "Cannot display image" message. Sony says my camera can only display images it creates. Any clue as to why that would be? I thought a jpeg was a jpeg.
In this excerpt from Answercast #44, I look at the reasons why a camera cannot display jpeg files that are created on a different camera.
It's actually a little known fact, but, no, a jpeg is not necessarily a jpeg.
There are in fact options within the jpeg format that not all cameras (in particular) will support for display purposes.
Remember, a camera's primary purpose is to create those images.
So as long as they are creating a valid jpeg file, they may not necessarily need to include all support for all the different variations that are possible in jpeg files.
As a result, it simply means that a camera may not be able to display every jpeg file.
It sounds like you're taking a jpeg that was created by your Nikon and moving it to a Sony – and the Sony can't read it. That doesn't surprise me, to be honest.
The thing to do, of course, is not rely on your camera to be the device on which you view your jpegs. The thing to do is to view your jpegs on a device that's designed for that, be it:
Your phone (of all things)
That has software that properly interprets all of the various jpeg options that might be used.
So, the short answer is no, a jpeg is not a jpeg and what you're
describing doesn't really surprise me that much at all.
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