At 02:58 PM 11/13/1998 +1100, you wrote:
>> I really need to calibrate my meter to Velvia, but on a bet I'd say 40 ASA
>> is still reasonably conservative. The last roll I shot at ASA 50 I
>> invariably preferred the bracketed shots which were 1/2 stop
>> "overexposed."
>> That would be ASA 25! However, in other, previous circumstances where
>> there wasn't a lot of shadows, 50 ASA was fine. The best practice I would
>> say is to shoot the film at 40 or 50 and bracket.
>>
> 1/2 stop overexposed would be about ISO 32, ISO 25 is 1 stop over.
>
> ...Wayne
>
Wayne,
Right, I screwed that up. Came to me at 5 A.M. this morning. But wouldn't a
half stop between ASA 25 and 50 be halfway between 32 and 40 rather than 32
itself? So it would be "about 40" as well as "about 32."
Joel
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