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 -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net

