Quote Originally Posted by edp View Post
Make sure your aperture blades are metal, and not the rubbery papery material that some earlier shutters have, before you dunk it in solvent and dissolve the aperture blades.

Better still, don't soak them, take them apart and clean them properly. It's not difficult.
Good call, that's what I've got apparently. Unless the metal blades have a matte finish. Lol