Sorry - Error. It should have been: 10.6 - 5.3 = 5.3 is less than 1/3 of the distance between 10.6 and infinity :-)
Jens Bladt mailto:[EMAIL PROTECTED] http://hjem.get2net.dk/bladt -----Oprindelig meddelelse----- Fra: Jens Bladt [mailto:[EMAIL PROTECTED] Sendt: 10. april 2004 08:56 Til: [EMAIL PROTECTED] Emne: SV: Zone Focus - what is it? ...Well 29 meters are sertainly much less than 1/3 of distance to infinity, isn't it ? :-) Jens Bladt mailto:[EMAIL PROTECTED] http://hjem.get2net.dk/bladt -----Oprindelig meddelelse----- Fra: William Robb [mailto:[EMAIL PROTECTED] Sendt: 9. april 2004 20:27 Til: [EMAIL PROTECTED] Emne: Re: Zone Focus - what is it? ----- Original Message ----- From: Subject: Re: Zone Focus - what is it? > I wish you could put that in inches and feet then I *might* get it. It's one > of the things I never quite *got* in the photography classes I took. (And not > getting still shows up sometimes in my landscape shots.) I've sort of been > going with the "focus 1/3 of the way into the scene" bit. > > Works sometimes, others, it doesn't. > > What really stumps me is when I want something close-up in focus and also > want infinity in focus. I don't think it's always possible, but it does seem to > be possible sometimes. I think it depends a great deal on the lens (mm -- what > it can focus on), but it also seems to depend on *where* you focus. (I.E. A > landscape shot framed by fairly close-up a tree or a tree branch.) > Give or take a bit, 300mm = 1 foot. Not exact, but probably close enough for DOF calculations in landscape photography. Didn't you buy a Canon SLR? Do they still have the depth of field program mode built in? William Robb
