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Re: [OM] reflectors

Subject: Re: [OM] reflectors
From: Acer/Siddiq <waltherppk@xxxxxxxxxxxxx>
Date: Sat, 26 Jan 2002 21:00:54 -0800
1/26/02 7:46:23 AM, Mike <watershed@xxxxxxxxxxxxxxx> wrote:

>> .....Use the 18 0ray side with a reflected-light meter at the subject
>> position (or in the same light) to get an 'incidence' light reading.....

whoa there, i think that's a little off... the reason you use a gray card is so 
the camera gives a proper 
"reflected" reading since it is calibrated for 18 0ray. incident is a whole 
other ball game, where you 
measure light falling ONTO the subject not reflected OFF the subject.

>I'm a newbie at this. Can you give a more detailed explanation of how to
>meter with a grey card? Say i want to take a picture of a couple of
>people. Do I have one of them hold the card facing the camera? How close
>to the card do I take the reading? (with my Sekonic Studio Deluxe) Can I
>just spot meter with the OM4? Or do I have it all wrong?

keep the gray card inthe same light as the subject, meter the gray card w/ 
camera (doesnt matter spot, 
centre weight, matrix, whatever, it should come out the same... thats the BIG 
reason to use a gray card in 
the first place). you can go close to the card and meter it (frame filling) or 
spot meter the card if you are far 
away. the idea is to measure ONLY light reflected off the card and NOTHING else.



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