The focus of your main subject will not change, but if the subject is relatively close to you, as the lens stops down, more of the foreground and background will come into focus. That's why, GENERALLY, for portraits you use a large lens(e) opening, and for lancscapes a small lens(e) opening.
Bill ----- Original Message ----- From: "Scott D" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, July 15, 2003 4:52 PM Subject: Howe Does the DoF button work? > I presse down the down DoFP button, and I can see that it stops down the > aperture, it gets darker or ligther. But I really don't notice anything > changing focus, how is it supposed to showe me what's in the DoF? This > is my first camera with DoF, and there's not much in the manual about > it. Its a ZX-M. > > Thanks, > Scotte > > > whickersworld wrote: > > >Joseph Tainter wrote: > > > > > >>It's very simple. Everything in photography is a > >> > >> > >trade-off. Everything: > > > > > >>film format (size), film type, camera bodies, lenses, > >> > >> > >whether or not to > > > > > >>carry a tripod, what one spends, etc. Provided that we > >> > >> > >have some > > > > > >>experience with gear or film, we each make our own > >> > >> > >decisions about which > > > > > >>trade-offs we accept and which we don't. Zooms vs. primes > >> > >> > >are just > > > > > >>another trade-off. There's no right or wrong answer. > >> > >> > > > > > >EXACTLY RIGHT!! > > > > > > > > > >>The debate is a non-issue. > >> > >> > > > > > >There can be no reason why we should not discuss these > >trade-offs. If we stopped, PDML would not need to exist and > >our lives would be greatly the poorer for its loss. > > > >I greatly value the informed opinions of the members of this > >list as *the best possible way* for me rapidly to assimilate > >a lot of genuinely useful information. After changing from > >Nikon AF to a Pentax K/M/A outfit earlier this year, I > >cannot imagine finding a better "expert system" for guiding > >me through the Pentax jungle. > > > >Just my $0.02. > > > >John > > > > > > > > > > > >
