Re: thoroughly confused now

[boblong@xxxxxxxxxxx (Robert Long)]

On Sat, 26 Apr 1997 07:13:02 +0100 (WET DST), you wrote:

|>Read Infrared Photography by Laurie White.  Her suggestion is to shoot =
a roll
|>of film at f 11 1/125.  Make notes on all your photos and then check =
out your
|>results.  Go from there.
|>karin
|
|viewfinder....etc., etc, and a whole host of other situations.  You =
would
|be better off exposing your film through the lens (and red#25 filter) =
and
|setting the exposure index on your camera to ASA/ISO 640.  This =
effectively
|rates the film at ASA/ISO 80 with a hand held meter.  Trust me, it =
works.
|See my faq on infrared at my website.

Depends a lot on how an individual photographer works.  The beauty of
White's approach is that it gets away from all considerations of
filter factors, film speed, and whatnot--the factors that are so
confusing to IR photographers in the beginning--and works directly
with negative/print quality.  But when you get around to taking
pictures after having analysed the test roll, you're back to the
old-fashioned "I shoot this subject at this stop and shutter speed and
that subject at..." etc.  You have to hunt pictures with an
encyclopedia of exposures in your head--or your pocket.  If a
photographer works that way today (and I don't imagine many do), the
White technique is perfect.

If your basic technique relies heavily on TTL readings with manual
override for such factors as back lighting, then the TTF technique
makes far more sense.

Bob Long
(boblong@xxxxxxxxxxx)

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