I just didn't want to get into the areas where issues other than composition/framing came up (grain, resolution, etc.; even DOF), which is why I specified small prints.
But if you're looking through the viewfinder you're not going to be able to see grain or resolution, either. And it's quite simple to get the same DOF from those different-sized sensors. If you see something significantly different through the viewfinders of a *ist-D with a 35mm and an MZ with a 50mm, it's probably because you're starting off with pre-concieved expectations based on the focal length, not because of any real-world differences. (I chose the MZ bodies, rather than an MX/LX, because they're a lot closer to the digitals in terms of image area in the viewfinder). Shel Belinkoff mused: > > I'm just going to have to see this for myself. I've not yet made the > side-by-side comparison, just observed various scenes through the finders > and thru pics from different cameras. Of course, we don't always use > "smallish" prints or only web oriented images. Implied (to me, at least) > in your comment is that differences will be more noticeable in larger sized > prints or images. > > Shel > > > > [Original Message] > > From: John Francis > > > > >This also answers a question about comparative focal lengths on a film > and > > > >digi SLR. Using the 18mm on Bruce's istD didn't seem to give the same > view > > > >as when using a 28mm on a film body. While the AOV may have been > similar, > > > >there seemed to be a different perspective. > > > > > > Yes, I have noticed something similar when I was using a 1.6 crop digi. > > > The effect is less pronounced with a 1.3 crop, but at price. I guess in > 5 > > > years or so when there are a few more (affordable) full frame digis > > > around, it will be less of an issue.... > > > > It's not an issue now. Really! > > > > Imagine you are standing at a fixed spot, photographing a given subject. > > An 18mm on the *ist-D, a 28mm on a 35mm, or a 50mm on a 6x7 will produce > > images that are, as far as composition and framing are concerned, > identical > > (except for the different aspect ratio of the 6x7, of course). > > > > > > If I showed you a small-ish print or image from each one (say a 3x5 print, > > or a 600x400 image) you would have no way of telling which came from which > > camera. > >