[rollei_list] Re: Meters and Film
- From: Carlos Manuel Freaza <cmfreaza@xxxxxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Mon, 31 Aug 2009 11:14:59 -0700 (PDT)
Using incident light reads, the light inciding on the subject is only one
independent regarding the light sources, the way the subject reflects this
light and the way the photographic material registers this light can vary of
course, and you can see the differences in the final results, however the
amount of light inciding or _falling_ on the subject is the main factor to make
the potograph (and one of reasons it is measured for movies)independent about
its reflectance and you measured that incident or falling light, your exposure
never could be wrong if you measured the light for the right angle of incidence
on the dome considering subject and camera position.
Cameras (film or digital) need to use the reflective method by definition,
because the incident light is referred regarding the camera position, the spot
metering (a wanted and necessary feature for a complex camera), works like an
incident light read, and it demonstrates the incident light read is very exact
for most situations if you have a good lightmeter.
There is something attractive about the Zone system intellectually, it attracts
me from this point of view, however several of the best photographers around
the world never used this system and I think it's an unnecessary
sophistication.
--- El lun 31-ago-09, Eric Goldstein <egoldste@xxxxxxxxx> escribió:
> Hi Carlos -
>
> I think it depends upon your level of experience and how
> much you want
> to think about exposure. The Zone system of course relied
> upon
> multi-point reflectance spot metering. Modern cameras use
> complex
> matrix reflectance metering, and most pros rely upon that
> as a
> starting point, which the histogram for fine tuning...
>
> As classic shooters of film negative, we have
> different requirements
> than most shooters today. With 12+ stops of contrast range
> often at
> our disposal, prime lenses and cameras on tripods, our
> metering
> requirements are often very different from the vast
> majority of
> shooters out there...
>
> I have used incident metering very often in my previous
> life as a
> film-maker, but this was always coupled with film tests to
> determine
> reflectance and contrast, which must always be accounted
> for some how
> if what you are shooting counts...
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