Archived posting to the Leica Users Group, 2000/09/26
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B. D. Colen wrote:
> No kidding - given all the various surfaces people suggest using to get an
> 18% gray reading, it must be possible to have a WIDE variation in surface
> coloration before you get a significant exposure difference....
Hi B. D.,
As the meter cell in most cameras are reading rflected light and as most of the
reflected light cells 'average' the reading to about 18% grey, it stands
to reason that the reflectivity of the object is not important; any slight
changes in color over time will be compensated for by the meter's cell
ability to 'average' the reading.
Cheers,
Rich Lahrson
tripspud@wenet.net