This FD 24mm f2 is an excellent lens - a very useful focal length on both my NEX (36mm equivalent) and my m43 (48mm equivalent). However the aperture has become sticky and often doesn't stop down. I got it checked at a local camera repair shop and they told me that there is oil on aperture blades which needs to be cleaned. They asked $100 for the cleaning which is a bit too steep for me at this point. Unfortunately I am not handy with lens dis-assembly and can't attempt the cleaning myself either. So I would like to pass it on to someone who is either handy and can get the cleaning done himself or can get it cleaned (or maybe you just like to use it wide open anyway). As you can see from the picture below, the lens has marks etc on the body, but there are no dents etc. Plus the glass is clean. Also no fungus or dust inside.
The lens sells for around $450 on KEH. I am asking $250 shipped + paypal to account for the sticky aperture.