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Meyer Gorlitz aperture adjustment (Trioplan, Primoplan)
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PostPosted: Thu Apr 06, 2017 5:45 pm    Post subject: Meyer Gorlitz aperture adjustment (Trioplan, Primoplan) Reply with quote

I'm servicing a Primoplan 75mm and having the same issue with the aperture out of place. Posting this here hoping someone has encountered this and can assist.

Bernard wrote:
Hi there,
Need help. I have just purchased a Meyer Optik Gorlitz Trioplan 100mm f2.8 red V (M42) from eBay.
The aperture arrow on the barrel does not align to its respective values.
I decided to take the lens apart and fix it however I am stuck at the aperture barrel section and unable proceed further. I have taken some pictures of it.
Aperture placeholder A : I am unable to remove the retaining screw as the screw head is on the other side. Therefore i cannot remove the Aperture placeholder A.
Aperture placeholder B : I have removed the screw but unable to unscrew/pull the barrel apart.
Does anyone knows how to open this up?

Thanks !