Digital Image Studio wrote:
> On 03/09/06, Adam Maas <[EMAIL PROTECTED]> wrote:
> 
> 
>>Also in-body aperture control is distinctly more fine-grained than the
>>aperture control on the lens, from a general use standpoint, given the
>>standard 1/3 stop control from the body and the normal 1 stop control
>>from the lens (Yes, you can set it in-between the click-stops, and that
>>is infinitely variable. I do this myeself on occasion.  This is one
>>reason why there is likely no encoder on the aperture ring, as the
>>aperture simulator is better equipped to handle infinitely variable
>>apertures, being an inherently analog device).
> 
> 
> The aperture feedback sensor is and has been a 1/6th stop
> stepped/trimmed resistive element since back in the days of the MX.
> The following link shows the MX aperture sensor at front, it's a
> pretty crap photo but it's the best I have.
> 
> http://home.swiftdsl.com.au/~distudio/temp/P6290763.jpg
> 

I stand corrected on that then. I'd assumed it was a continuously 
variable potentiometer. But 1/6 of a stop is more than enough resolution.

-Adam

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