Hi Matt:
The blades are clean, I think it is actually either the set-release
mechanism or the spring, so you can go in from the back side by removing the
mount, I should have given a better breakdown of the problem. I had a old
28/3.5 that I went in the front way, using a broad rubber band as traction
to remove the retaining ring on the front. The aperture works ok but I would
think if I don't address it it will only get worse and usually at the wrong
time.
Thanks Gord
----- Original Message -----
From: "Matt Boland" <mattb@xxxxxxxxxxx>
>I cleaned up slow blades on a 50mm 1.8 quite succesfully. In that case
> there was oil or something on the aperture blades. The only thing I had
> to make was a tool to take the front ring off. I bought the lens from a
> bargain bin so I could do it. Not sure how tricky the 1.2 would be though.
>
> Gordon Ross wrote:
>> Hi all:
>>
>> I just received the 50/1.2 and it is in nice condition. The only issue
>> seems
>> to be a slow returning aperture. Is there a quick fix, is this a common
>> problem with theses lenses?
>>
>> Thanks Gord
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