Close Up mode on OM-D
If I use the "LV Close Up Mode" @ x2.5 with RAW+JPEG I get two images, both 11.52x15.36" and 300dpi, but two very different aspects of the shot.
The JPEG image is approximately 40% of the RAW image, but the same physical size. Basically the Close Up mode crops the middle 40%, compresses it but comes out the same physical image size with the same resolution (300dpi) as the RAW image?
The same number of pixels spread over only 40% the area should be a significant IQ loss and, while the JPEG doesn't have the same detail as the RAW file, it certainly isn't that kind of IQ loss.
It's not a burning issue, but I am curious. Can anyone explain this in terms that a math challenged, slightly addled older guy can understand?