Hi everyone, This might be a longshot, but I wanted to know if anyone had some ideas about an odd error with a lens of mine. This is an older 105mm 2.8 micro lens, screw-driven AF, with a large toggle switch on the lens barrel for switching between AF and M focusing. It's really a great lens for my purposes. The issue is this: if the lens focuses to infinity (or almost infinity), the reported f/stop becomes f/32 (regardless of what I have it set to) and the AF stops completely. The only way to fix either issue is to set the lens to manual focusing and pull back to less than infinity. Then the lens jumps back to normal use. It's kind of annoying to work with because any time the lens searches too far towards infinity, the AF shuts down. Any thoughts to what is causing this? Thanks.