[rollei_list] Re: Meters and Film
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <rollei_list@xxxxxxxxxxxxx>
- Date: Tue, 1 Sep 2009 13:55:55 -0700
----- Original Message -----
From: "Carlos Manuel Freaza" <cmfreaza@xxxxxxxxxxxx>
To: <rollei_list@xxxxxxxxxxxxx>
Sent: Tuesday, September 01, 2009 7:48 AM
Subject: [rollei_list] Re: Meters and Film
Spot metering is useful for selective meter readings, it
depends about the subject characteristics, if you use it for
a wide subject you could need to take several readings and
to decide an average, it means you are using more time to
measure the light; as Richard K wrote yesterday, you need to
know what to do with the spot reading according the idea you
have on the subject composition.
The dome for the incident light readings represents the
subject and the light inciding on the dome is the light
falling on the subject as seen from the camera position,
this is very useful for backlight scenes because the
lightmeter takes a general reading about the subject in
shadows ignoring the illuminated background maintaining the
backlight effect on the subject, a spot metering would work
similar for this case, however you could need more than a
reading to be sure about the exposure if the subject is
large, and incident light reading is quicker than a spot
reading for similar cases.
Carlos
Just as I was watching the computer send my last message
the names I wanted popped into my head. Don Norwood was the
person who developed the Norwood Director meter. He did a
lot of research on it. The current Sekonic meter is
essentially the same as the original Director. The Director
was really the second model, the original one being the
larger square meter sold as the Spectra and later, with the
addition of a low light sensor, as the Spectra Combi meter.
--
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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