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Carl Zeiss Jena 300mm F4: a dissassembly pictorial
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PostPosted: Tue Mar 13, 2012 4:46 pm    Post subject: Carl Zeiss Jena 300mm F4: a dissassembly pictorial Reply with quote
Here it is:
www.flickr.com/photos/cgrozea/sets/72157629563004337/
(feel free to edit my post, when I add a link here it looks ok in preview and bad after posting).


I have bought an otherwise nice CZJ 300mm/4 in P6 mount, but the aperture blades were stuck open.
I had read contradictory information before doing it myself; the most scary of it being to have to open the lens from the front.
I have succeeded to open it from the back and unstuck and clean to some extent the blades.

I hope it helps others.

Last edited by chrisg on Wed Mar 14, 2012 10:08 am; edited 1 time in total


PostPosted: Tue Mar 13, 2012 8:17 pm    Post subject: Re: Carl Zeiss Jena 300mm F4: a dissassembly pictorial Reply with quote
chrisg wrote:
Here it is:
www.flickr.com/photos/cgrozea/sets/72157629563004337/
(feel free to edit my post, when I add a link here it looks ok in preview and bad after posting).


I have bought an otherwise nice CZJ 300mm/4 in P6 mount, but the aperture blades were stuck open.
I had read contradictory information before doing it myself; the most scary of it being to have to open the lens from the front.
I have succeeded to open it from the back and unstuck and clean to some extent the blades.

I hope it helps others.

Hi Chris, links and photo links areinactive in first posts as a spam prevention measure, they should work now.
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