... > > > The AF does NOT 'see' the same thing as the screen. When the position of > > the AF > > > module (that sits under the mirror) relative to the lens is different to > > the > > > position of the screen, both result in a different focussing position of > > the > > > lens. So if images taken using the Autofocus appear sharp, then maybe the > > > focussing screen is out of alignment. > > Is there a diagram that shows what the AF path is? How does the AF see > > the image if not through the focusing screen, i.e. if its under the > > mirror, then how does it see the image? > > I will try to find a diagram and provide a link. Basically the mirror is half > transparent so that some light goes through it. This is then reflected by > another smaller mirror that folds out behind and directs the light to the AF > module that sits in the bottom of the mirror house. If you inspect your > camera > with the lens talken off you can see some of it.
Here is a page from a book on the Z1p that shows some details (although not to scale): www.mynetcologne.de/~nc-kellersv2/af.jpg Regards, Sven

