« on: September 08, 2013, 08:49:30 AM »
Anything other then guessing would require a better description or, better yet, sample files. But since the 5D3 has higher IQ then the 1D4 across the board, some good guesses include:
* You're viewing images at the same image viewer magnification (i.e. 50%) without realizing this actually magnifies the 5D3 image much more.
* Different in camera settings.
* Different RAW converter setting defaults or profiles.
And if you're not talking about a test pair produced under exact conditions (same subject, lighting, lens, exposure, etc) then anything and everything is in play including lenses, exposures, focusing, selected apertures and/or shutter speeds (beyond the obvious exposure differences), subject, lighting, etc, etc.
Yes, I understand that a lot of it is subjective.
Even if I set the 1D IV images and 5D III images to "neutral", the 1D IV images have something special/different.
I use Canon DPP to view, straight out of the camera. It is set to "fit to window", so the 1D IV images are the ones being magnified.
I may try to do a somewhat controlled side by side test, but the best I can do is swap lenses between bodies and try to get the same image in the viewfinder and have the same settings on both cameras.
I can compare it to listening to different audio amplifiers. The specs may be the same, but they sound different.
I'm afraid to rent a 1DX because I may like it, even though 90% of the capabilities would be lost to me at first. And, I actually prefer the 1D form factor.