> From: "Ian Nichols" <ian.a.nichols@xxxxxxxxx>
>
> On 19/11/2007, Jan Steinman <Jan@xxxxxxxxxxxxxx> wrote:
>>
>>> From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
>>>
>>> At 1/60 you're 3 stops down from the rule of thumb for a 400mm
>>> equivalent. At 2 stops (1/125) it might look a lot better.
>>
>> Actually, closer to 4 stops. The old rule-of-thumb (1/?f) was
>> designed
>> for 35mm film. For 4/3rds, the rule of thumb should be more like
>> 1/2*f?,
>
> Er, Jan, he did say "400mm equivalent" - the photo was taken using a
> 50-200 at 200.
Oops! I will type one hundred times: "Read before writing, read before
writing, read before writing..." :-)
:::: Nothing will replace what we are burning up quickly now. Every
possible replacement has problems which have received little
publicity. -- Dr. Kenneth Watt ::::
:::: Jan Steinman http://www.VeggieVanGogh.com ::::
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