Сведу воедино все факты о превосходстве Джипег:Nikon D5000:
Active D-Lighting has been included in Nikon DSLRs since the D300. It mixes a metering correction and tone curve shift (as per Canon's Highlight Tone Priority mode), with sophisticated dynamic range compression techniques, based on technologies from Apical (similar to those in the Sony DRO and Olympus SAT modes). The effect is that highlights are preserved and detail pulled out of the shadows.
http://www.dpreview.com/reviews/nikond5000/page20.asp
The theory is that this results in images that are closer to the way the human brain perceives the scene. The cost is that you get additional noise in shadow regions of the images, and that
these changes only appear in JPEG (they are not perfectly reproducible in RAW converters - even Capture NX).Nikon D90:
The out-of-camera JPEG files are shown alongside RAW versions of the same images processed in Nikon's Capture NX 2 software, using the most similar settings as possible. The two images have then been aligned and overlaid - roll your mouse over the JPEG crop to see the difference between the images highlighted.
Frustratingly, the View NX software that comes with the camera cannot correct Chromatic Aberration, so RAW files converted through that program may be worse than the out-of-camera results. Thankfully the in-camera raw conversion will correct the problem.
http://www.dpreview.com/reviews/NikonD90/page17.asp
Olympus E-520:
The good news is that the Olympus does a better job of optimizing its JPEGs than just about any other DSLR we can think of -
just about all the detail and dynamic range the sensor is capable of is visible in the JPEG.
http://www.dpreview.com/reviews/olympusE520/page32.asp
Canon 500D:When shooting in RAW the picture changes slightly to the negative. The 'extra quality' you can usually get out of RAW files compared to shooting in JPEG is relatively limited on the 500D.
One reason for that is the quality of the camera's JPEG engine. It is doing a pretty good job at 'optimizing' the JPEG output when converting the RAW data.
http://www.dpreview.com/reviews/canoneos500d/page29.asp
Это всё - Полный нок-аут "равистам"!