At 23:32 5/26/02, Andrea asked:
Hi fellow Zuiks -
I hope this isn't too annoying.
Nope . . .
I picked up some filters, essentially for "free" at the local Goodwill. I
know what to do with the 1A, UV and CP ones, but what do I do with the
orange and yellows? Could folks give me some ideas of fun stuff to try
with these, or what they are generally used for? (I'm hoping to go out
and play with my new 300/4.5 in a couple of weeks when I can walk again -
fingers crossed).
- Andrea
Well . . . if they're true yellow and orange . . .
K1, K2, X1, X2, G, etc. (Wratten # 3, 5, 6, 8, 9, 11, 12, 13, 15, etc.) . . .
you are now the proud owner of filters intended for B/W film.
Other types that have yellowish or orangish appearance can be color
balancing filters (e.g. 81A, 85 or 85B) to balance daylight to tungsten
(type L) or cinema ("photolamp" type A) films.
Lighter yellow filters for B/W are generally used to cut down a B/W film's
blue response for a more natural tonal rendition. Darker yellow, orange,
and red are often used to darken blue sky to provide greater contrast with
clouds, light colored buildings, snow, etc. Yellow has some effect, orange
has more, and red has the most.
In general colored filters are used with B/W to provide tonal separation
between one or more colors. Filter color is selected based on the colors
for which separation is desired. It does require some thinking and some
experience. Using a light yellow and doing portraits of people with blonde
hair can make the hair appear too dark. Using a red and photographing a
red barn can make the blue sky very dark, but the barn too pale. It takes
some experimentation and experience to develop a skill for visualizing how
various B/W filters will affect rendition of various colors on B/W film.
-- John
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