Red and Blue

by Gordon

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JPEG is a compressed format so the filesize does not correspond directly to the image resolution, but rather to it's content. The JPEG algorithm achieves lower filesizes with images that contain less detail, so if you have areas with very little detail, such as out of focus backgrounds or blown out skies then that can lead to dramatically smaller filesizes, ...


3

Based on the information you've given so far, I'm not yet convinced there is a problem. Assuming you mean 2-7 MB (Megabytes), not KB (Kilobytes), that file size could be consistent with a full resolution JPEG. 2-7 KB would not actually fit an image, except maybe a tiny thumbnail or icon. Look up the dimension of the image in pixels in your file browser - ...



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