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canon FD 50mm 1.4 lens re-assembly

Robert Hill , Dec 23, 2013; 10:05 a.m.

need help to re-assembly this lens - remove diaphragm from the front lens and having difficultly aligning the focus barrel and the fine thread inter ring - looked at rick_oleson drawing and this does not help.

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paul wheatland , Dec 23, 2013; 01:47 p.m.

my past research involves this lens to be super complex thus I've not had enough courage to open these up to clear the iris of oil migration. There is a lot of info. on the 'net to accomplish this task and I hope you have success in your quest and solution. Sorry I couldn't have helped!

JDM von Weinberg , Dec 23, 2013; 05:16 p.m.

Just for the ease of seeing the image without waiting for it to load here is Robert's picture resized to show in line:


Robert's image resized and with this caption (required)

JDM von Weinberg , Dec 23, 2013; 05:20 p.m.

Rick Oleson's drawings are what one needs to do for oneself WHEN TAKING THE LENS APART. As you are apparently discovering, without such notes and pictures of the dis-assembly, well, it takes a lot of trial and error.
As the Car Talk boys just said on this Saturday, it's easy to take things apart. The trick is getting them back together again, especially without having parts left over.

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