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jcolwell wrote:
Riiight...
Put a 'slow' normal prime lens on the DSLR, and then show them from the side, or from above.
Yes, but the inherent difference in body depth is, in part, due to the larger space required for a 'normal' optic to be spaced from the focal plane, for medium format vs. for 135...75-80mm depth vs. 50mm depth. The film magazine itself is additionally deeper than 135 format because it puts the film farther back, than the SLR which spreads that dimension into the body width rather than to the body depth.
Measuring the body alone for Canon 40D (145x110x80mm) and ETRSi (including prism and film magazine, but not grip as pictured earlier) (125x130x95mm), there is only a 21% difference in volume (even less, if you factor in that the eyepiece itself protrudes back by 20mm farther than the back)...only about 5-10% more volume!
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