John Coyle writes: > Which is exactly why, a couple of years ago, we had a thread on the utility of > DOF and I said then I thought it a waste of time on 35mm cameras. If you think > you can judge depth of field accurately when you're stopped way down, as one > usually is shooting macro, I believe, sir, you kid yourself! (Not you, Bill)
I agree that you can't accurately gauge sharpness through a viewfinder. I must however point out that not everyone goes straight to f/32 when shooting macro. I like to make use of shallow DOF to separate the subject of interest (usually a flower) from its background. For this reason I find DOF preview is very useful, not only to give a rough indication of what will and won't be sharp, but also to make sure there aren't any major distractions in the background that are too blurred to be noticed when viewing wide-open. I usually end up shooting at f/4 or f/5.6 (not accounting for extension). Cheers, - Dave David A. Mann, B.E. (Elec) http://www.digistar.com/~dmann/ "Why is it that if an adult behaves like a child they lock him up, while children are allowed to run free on the streets?" -- Garfield - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
