Archived posting to the Leica Users Group, 2001/02/10
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Austin Franklin jotted down the following:
> Even if you take your camera, and de-focus it on a newspaper just enough so
> you can discern the larger letters, and not the smaller ones, you still have
> the same focus, it's just the size of the object, in this case, the letters,
> that is different...same plane of focus.
OK. I pin a newspaper up on the wall and place a camera some distance away
from it on a tripod, so that the film plane is parallel to the newpaper.
Then I:
* Focus so that all the print on the newspaper is perfectly sharp.
* De-focus so that I can only discern the larger letters, but the
smaller letters are fuzzy.
I have the *same* *focus* in the two cases? But the *size* of the letters
are different? Of course, it all makes perfect sense now!
M.
- --
Martin Howard | eVolving eMergent eThereal
Visiting Scholar, CSEL, OSU | eNthusiasm eVanescent ePhemeral
email: howard.390@osu.edu | eFficacious eMbryolic ePochal
www: http://mvhoward.i.am/ +---------------------------------------