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Re: [OM] Re:Using Spot Meter

Subject: Re: [OM] Re:Using Spot Meter
From: sje@xxxxxxxxxxxxxxxxxx
Date: Tue, 12 Jan 1999 20:31:07 +0000
>Interesting, an unfocused lens does not change the amount of light coming
>through....Hum?

it does, there is a loss of something like 1/10 stop for most lenses at min.
focus over infinity.  If you have a *grey* card, and not a sort-of grey card
with patchy shades of this, that & the other, it should make no difference
whether it's in focus or not.

Simon E.


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