Tom, Just bend it back 1 or 2 mm's then check again. You're probably just hanging up a bit on the sides. Regards, Bob S.
On Thu, May 3, 2012 at 3:19 PM, Tom C <caka...@gmail.com> wrote: >> Yep, when you mount the lens and the viewfinder is dark, >> then your aperture lever isn't aligning with the body...probably bent. >> Regards, Bob S. >> >> On Fri, Apr 27, 2012 at 8:12 PM, John Francis <jo...@panix.com> wrote: >>> On Fri, Apr 27, 2012 at 04:34:57PM -0600, Tom C wrote: >>>> >>>> Yeah that was stupid of me. It's the tank-artillery-shell-bodied >>>> FA/100 2.8 Macro. >>>> >>>> It seems to be related to the aperture lever/control on the lens. It >>>> appears through the viewfinder that it's totally stopped down in 'A' >>>> mode, even when the camera body says f/2.8, f/4, etc. >>> >>> That's a problem right there. >>> >>> The lens should only be stopped down during exposure (or when the >>> DOF preview is in effect). ?If the viewfinder is dark at other times >>> something (almost certainly the lens) is misbehaving. >>> >>> Check to make sure the mechanical coupling in the lens moves freely, >>> springs back quickly, and isn't bent so that it would come into contact >>> with anything on the body except for the aperture stopdown linkage. >>> >>> Check that the linkage on the body isn't bent, either - it's possible >>> that it might be getting caught up on some part of the lens. > > Belated thanks John and Bob. The aperture lever does seem to be > slightly bent, inward towards the center of the image circle. I can > pull it down, let go, and it springs back. However, if I slowly pull > it down firmly and take my finger off, it sometimes sticks in place. > > This is no doubt the issue. > > Is this an easy fix? Inexpensive fix? > > Thanks. > > Tom > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
