On 26 Sep 2005 at 6:36, Jens Bladt wrote: > The Apeture is stoped down mechanically anyway. Only the control is manual > or electronical. The Aperture blades as well as a lever in the camera and > in the lens are still there. I don't really believe that exlusivly > electrnical aperure control makes much of a difference, when it comes to > reliablity or accuracy.
Off the A position the aperture is set by a physical stop via the aperture ring which provides greater repeatability of settings. When I'm engaged critical lens testing I've found that I can't rely upon aperture setting from the body to produce absolute consistency, however YMMV. Cheers, Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://members.ozemail.com.au/~distudio/publications/ Pentax user since 1986, PDMLer since 1998
