Bart van der Wolf wrote:

"Paul Furman" wrote in message
t...

Could there be a filter to increase dynamic range?


Not a filter, it would add its own 1-2% reduction (assuming quality
coating on all lens groups). A well configured lens hood *will* increase
Dynamic range, especially if the lens isn't spotless clean.

Ben's contrast reducing filter is something I hadn't heard of, a little
googling suggests that tends to give a milky look similar to well
controlled flare. That suggests that a lens hood increases contrast
which is more likely to blow highlights & leave shadows buried.

filters:
http://www.tiffen.com/userimages/Con...ctSheet_Lo.pdf
discussion:
http://www.photo.net/bboard/q-and-a-...id=000F7D&tag=