On Wed, 16 Apr 2003 19:21:46 GMT, "Yi-Zen Chu; Yiren Qu" <yizen@uclink4.berkeley.edu> wrote:

>Neuman - Ruether wrote:

>> The "D" feature is not particularly important most

>> of the time - just shoot with either D or non-D lenses...

>Why do you say it is not particularly important?

'Cuz it makes little difference in the exposure most of

the time...

>And when does it become important?

Only when the main subject tone is very dark or light,

or the subject is small in the frame, with a distant

background...