WKato@xxxxxxx wrote:
>
> I don't know how applicable this is but there is a current thread on the
> Pentax list that says the factory sets the value for its averaging meters at
> 14% reflectance (1/3 stop more exposure than 18%). Somebody with access to a
> densitometer should take readings of developed shots of a grey card metered
> with both averaging and spot metering. A few weeks ago there was also a
> thread that said the memorized value of an OM4 exposure on averaging was
> different than the indicated initially in the viewfinder before the photo was
> taken. I don't recall if the memo function indicated more or less exposure,
> but there was a difference.
Well, I checked my Minolta 700si against a Sekonic hand-held lightmeter
and it turned almost perfect. Then I adjusted my Olympus 2 s/p to the
same value.
However, I noticed many cameras that are more or less "plus" biased,
e.g. lean toward negative material. A friend of mine has recently set
his OM-40 to -2/3 to make it correct.
--
Regards,
Emil Pozar
epozar@xxxxxxxxx
http://mypage.at/emilpozar
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