As to the other question between the 1D4 and 7D, there is just over one stop improvement of the 1D4 from the 7D. This is pretty nice especially if you shoot at 3200/6400 on the 7D alot, the 1D4 gives you that extra stop. However, there are several features on the 7D are very nice, and I wish Canon had added them to the 1D4.
After having shot with both the 7D and the 1D Mark IV each for about 3 years, I would agree that there is about a one stop advantage for the 1D Mark IV with regard to noise, but I would also add the caveat that, in focal length-limited situations, if you are going to have to crop the 1D Mark IV image down to the same field of view as the 7D image, that one stop advantage basically disappears and the noise comparison between the two cameras pretty much becomes a wash, but the 7D image will show greater detail than the cropped 1D Mark IV image does. In the very controlled tests that Skibum has done and which have been referenced in a number of threads here, he compared the 7D to the 5D Mark II and 5D Mark III, and, in the same way, when those 5D Mark II and 5D Mark III images were cropped to the same field of view as the 7D images, whatever high ISO noise advantages that the 5D Mark II or 5D Mark III may have started out with were essentially gone, but the 7D image showed more detail than the cropped 5D Mark II or 5D Mark III images.
Les.
Sep 02, 2012 at 07:28 AM
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