Bsteph, that was what that post was about--digital DOF--how it crops, changes as compared to SLR camera. There is a lot more in the thread--maybe I should have selected more from that post and added more from the thread. From what I read, you are fairly right, but also, the 'perceived' DOF seems different (see the 200 mm vs. the perceived 300 mm above). There are a number of workarounds for the focus--in fact, that's a big topic about the G1. I'm using manual focus a lot more--locking focus, then locking exposure--it seems to make some difference at least for me, but I'm just beginning with this camera. My other digital was a bit more than point and shoot but not a lot more--certainly had no control over aperture, shutter, etc. This goes back to my SLR days, but I've forgotten more than I've remembered LOL. And--the digital offers a lot more options than my AE-1 does--and a lot more confusion about what you can do in what 'modes', i.e, what settings have to be made in what modes and when you move from mode to mode, what settings get set back to default. I didn't mean to 'talk down'--heaven help me LOL--I need all the help I can get and suspect that you and Alpha can help me, but this focus thing in digital and its 'perceived' difference for 'same' in SLR is hot topic elsewhere and I just thought I would share it. The 'how'???--its been discussed more than one time--I usually have to do a forum search for the topics--and usually, if you ask a question similar, you get referred to long ongoing threads. Diane