I've read in several places that when you perform a front forward tilt (say to increase depth of field), you should then also use a front rise. Why? As a com positional device, I have observed the obvious, that the forward tilt in effect lowers the composition. I can correct this in two ways: (1) tilt the entire cam era upward slightly, or (2) use front rise. I understand that tilting it upward will not only change what subject is included in the composition but will affec t the perspective. In my experience, however, this effect on perspective, given the small amounts of forward tilt I use, is negligible. Does using front rise (as opposed to tilting the entire camera upward slightly) also recenter the lens optically so that you are using the "sweetest" part of the lens? Are there oth er optical effects at issue here that I'm missing?
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