- From: Thomas B. Passin <tpassin@comcast.net>
- Date: Sun, 06 Apr 2003 14:53:58 -0400
- To: www-rdf-logic@w3.org
[Roger L. Costello] > Here's the info on cameras: > > + This triggers a thought on "macro" and "micro" lenses. Often either > word is used to describe the same kind of lens, one that "magnifies" > image to life size or half life size. Often you'll see a ratio like 1:1 > or 1:2. Again, there may be issues here of "greater" or "less" than > depending on how one interprets the numbers. Also, macros are typically > available only in a few (one to three) focal lengths for a given film > format. > Also, "macro" basically refers not really to magnification per se but to the ability to focus on subjects very close the the lens. Some lenses have both a normal and a macro mode. Cheers, Tom P
Received on Sunday, 6 April 2003 14:50:21 UTC