Re: FRAMEWORKS Digest - 14 Feb 2006 to 15 Feb 2006 - Special issue (#2006-89)

From: David Tetzlaff (email suppressed)
Date: Wed Feb 15 2006 - 20:35:54 PST

> I'd state this as "modifying" the exposure reading (assuming you're
> using the in camera meter) rather than 'pushing' or 'pulling' insofar
> as those terms are usually used to describe changing the *processing*
> IOW push or pull process.

Well, I was being a bit figurative. For any non-film-geek types who may be
confused this 'pushing' and 'pulling' are terms for non-standard
processing, leaving the stock in the chemicals longer or taking it out
sooner - which produces an effective exposure change. Most common uses of
this involve situations where the shooter plan s for the alternative
processing before loading the film in the camera to achieve a certain
effect. The most common of these is pushing a stock to increase its
effective speed, allowing for shoots in less light --e.g. available light.
So you, say, load ASA 100 in the camera, and pretend its ASA 200, setting
your light meter for that. This underexposes your stock by one stop, so
you tell the lab to push it a stop to make up for that, and wind up with
proper exposure.

It struck me that the process of making a standard correction to your
metering in S8 to modify the exposue to make up for the difference between
an actual film speed and the setting an S8 camera will assume becuase it
may not be able to read the notches correctly is very much like setting up
your shoot for pushing or pulling. Thus my attempt at using the terms
loosely. I did not mean that you would then actually have the film pushed
or pulled in the lab. Apologies if I confused anyone. Theoretically, you
COULD make up for an ASA mismatch by using the auto meter settings as they
are and having a lab do actual pushing or pulling to adjust, but push or
pull processing is expensive and not all labs will do it, and the rarity
and relative cost factor I would guess would be more problematic in S8
than in 16mm (not that I've checked any lab rates on this...)

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