Robert Gonzalez <[EMAIL PROTECTED]> wrote:

>
>Mark Roberts wrote:
>> 
>>>But what feedback does the body have to set the aperture to the correct 
>>>setting?  I think he was talking about setting it to the "A" setting, in 
>>>this case the highest aperture, then letting the body do the rest.
>> 
>> Well, that wouldn't work. I was talking about manual exposure.
>> 
>Would that work still?  If the body thinks that the lens is in the A 
>position, then it will attempt the stop down sequence to the "manual" 
>aperture setting, which would be wrong. 

The camera would attempt to stop down to wrong position, but since the
camera would move its diaphragm lever *farther* than required, so the
lens' mechanism would stop it at the correct point. That is, if the
linear vs. geometric movement of the diaphragm lever is the way I think
it is.

-- 
Mark Roberts
Photography and writing
www.robertstech.com

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