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 -- Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://home.swiftdsl.com.au/~distudio//publications/ Pentax user since 1986, PDMLer since 1998 -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net