----- Original Message ----- 
From: "Frantisek" <[EMAIL PROTECTED]>
To: "Tom Reese" <[email protected]>
Sent: Friday, August 05, 2005 7:43 AM
Subject: Re: Qs about metering


>
> Friday, August 5, 2005, 1:21:58 PM, Tom wrote:
> TR> Kostas Kavoussanakis wrote:
>
> >> OK, let me pimp my ignorance around: by spot-metering I was referring
to
> >> the function available in the -5n/-1p. Is that what you mean by
> >> spot-metering too? Is there such a thing as incident spot metering?
>
> TR> I had a brain fart when I wrote "incident spot metering." I should
have
> TR> written "reflective spot metering". Let me try again:
>
> Any incident metering is spot metering ;-) Most luxmeters sensors are
quite
> spot-sized :) (although I have one very old one which has a sensor
> bigger than a CD)

I made a mess of things and now you're trying to muddy the water even
further. <G>

For the sake of those I might have confused:

Incident meters are pointed at the light source. Those meters usually have a
white dome of some type. Their advantage is that you don't have to worry
about whether your subject is dark or bright. You measure the intensity of
the light and expose accordingly..

Reflective spot meters are pointed at the subject. The in-camera meters are
this type. Taking a reflective reading of a dark subject will result in
overexposure unless you correct for it. Taking a reflective reading of a
light subject will result in overexposure unless you correct for it.

I hope this fixes things.

Tom Reese


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