>OK, assume your Metz 32CT7 has a GN of 32 (metres, ISO 100/21).
>
>So with 400 film your effective GN is 64. You needed about f/2.
>Unless your distance guess is way off, or my assumed GN is wrong, you
>shouldn't have got overexposure.
>>
hey, wait a minute.....ISO 400 is two stops faster than ISO 100, which
makes for a GN of 128. If he used ISO 200 film, the GN doubles to 64,
for ISO 400, it doubles again to 128. Isn't this correct?
Be seeing you.
Dirk Wright
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