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[filmscanners] Re: Scanning chromogenic





TonySleep@halftone.co.uk wrote:


> Converting a colour original to greyscale is a whole different ballgame, as
> messing with the proportion of R, G or B has the same sort of effect as
> coloured filters with monochrome film - eg the red channel looks pseudo-IR,
> you can darken skies by reducing the contribution the blue channel makes,
> etc.
>
> Regards
>
> Tony Sleep


Yes, a very good point.  I remember looking at an older Kodak B&W manual
(pre-politically correct times) which indicated one should use a green
filter for men, since it emphasizes the "coarser" skin elements making
him look more masculine, while a woman should have a pink to red filter
used to lighten the skin and de-emphasize red skin defects, a blue
filter for people with very transparent skin which tended to show blue
veins, an orange filter for reducing age spots in elderly, and that a
red filter is the answer for "teenagers with "spots" on their faces (to
reduce the amount of negative "spotting")...

They suggested using an orange filter outdoors for "dramatic dark skies"

and a blue one to lighten skies, etc...


When I first started taking photos (and I shot mainly B&W back then, it
was actually very "enlightening" and I was quite fascinated by the
sample images with before and after effects of the filters.  When I
first started out (I was about 10 at the time) I thought using color
filters with B&W film made as much sense as using a flash during the day
(again, before I learned about fill-in flash).

Art


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