Hi thanks for the suggestion. I can manually change the aperture but it's still on automatic when I shoot. I can rotate the aperture but it doesn't change anything. I'm not sure what you mean by mirror return but I can still shoot with the lens so the mirror itself doesn't seem involved. More likely is the screw mount maybe is stuck on the aperture somewhere. Grateful for anything you have to add, Thanks again, Dave On Wed, 12 Oct 2005 15:50:21 -0400 (EDT), "Fred Widall" <[EMAIL PROTECTED]> said: > I just checked my *istDS with a screwmount lens and K-mount adapter. > > As far as I can see there is nothing in the 'throat' of the *istDS > that any pins could get caught on with the possible exception of > the mirror return mechanism on the left hand side (facing the camera). > > It appears possible (just) that changing the aperature on the lens could > cause the 'tab' (which moves in a slot) to catch on the mirror return > > Are you able to manually change the aperature on the lens ? > If so see if the lens can then rotate.... > > Good luck. > > Fred. > -- dave g [EMAIL PROTECTED]
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