A wonderful 15 blades iris through a perfectly clean front lens and central element...!
Shining body, and no more rattle!
Like new! (with some minor traces of use... but it has almost 40 years!)
[ The whole process took less than two hours, not knowing the sequence or the meaning of parts... I bet you can do it in less than an hour, following my example! ]
If someone performed an overhaul of the iris, please write me an email! I will be glad to add the pictures to this 'howto'... with proper credits, obviously!
24/02/2008 - UPDATE...
I am a member of the wonderful "Manual Focus Forum", and Robin Murphy, from UK, started an interesting thread about a very similar lens, covering the iris maintenance. If interested, look at it here: Pentacon 4/200 preset aperture repair
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