From: Moose <olymoose@xxxxxxxxxxxxx>
C.H.Ling wrote:
But for film comparison, there is no discussion, see why almost all
professional (except news, portrait and wedding) use
slide you will know, especially for product shoots.
I've used a lot of slide film. I shot it almost exclusively for many years.
Wonderful stuff. People who like it should use it. It has clear advantages
for many uses over negative. I'm just arguing that it isn't inherently any
more color accurate than negative film. I believe there are at least 3
reasons, other than inherent color accuracy, that many professionals use
slide film.
1. Personal, institutional and industry habit and reproduction equipment
requirements.
2. They and their clients like to look at the film images directly when
evaluating them - for composition, sharpness, etc. in addition to color
accuracy. Loupes, light tables and projectors don't work with negs and
cheap, automated prints are very poor measures of what is actually on the
film.
3. Storage, retrieval and handling are easier with slides. You can just
pick up the sheet holder and see which is which at a glance. For someone
using digital darkroom and storage, either either original form is equal.
There is a fourth reason why transparencies are preferred to color
negatives: contrast. In a properly executed print, the contrast ratio
between the brightest and darkest areas of the image are supposedly at most
100:1. With transparencies, this contrast ratio soars to 400:1! I have
long heard transparency enthusiasts brag about the "bottomless" blacks
achievable with their medium of choice but virtually impossible with prints.
The latitude with transparencies is much tighter, but the derived contrast
is supposedly what makes it all worthwhile.
John
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