I just had a epiphany (aka the forehead slap/d'oh!). Suddenly
everything I've ever read about hyperfocal makes sense!
Thank you, thank you, thank you.
Once again, the Zuiko list has paid for itself.
BB
On Tue, 04 May 1999 11:09:15 -0700, George M. Anderson wrote:
>Look at the focus ring and the lens flange. The flange has F/#s on it,
>focus ring distances. If you focus on infinity, there will be some
>distance in the foregroud after which objects out to infinity will be in
>focus. Eg: Zuiko 50/1.8: when focussed to infinity with lens aperture
>set at F/8, acceptable focus is from 10m to infinity. But if aperture is
>set to F/16, the close limit moves to 5m. But, look what happens if you
>set the focus to 10m and aper to F/8. Now the flange marks indicate
>acceptable focus from 5m to infinity, same as F/16 above! Very useful
>to use this method for max depthe of field. Method is called
>'hyperfocal.'
>
>Hope this helps.
-
B.B. Bean - Have horn, will travel
bbbean@xxxxxxxxxxxxxx
Peach Orchard, MO
http://www.beancotton.com/bbbean.shtml
< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
|