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M6: Which models are prone to top plate corrosion?


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Hi there!

 

I'm looking to buy my second M6 Non-TTL body. I've googled, but i did find answers pointing in different directions.

 

Do you know if some production numbers/years are more prone to zinc corrosion on the top plate?

 

Are some models guaranteed free of zinc corrosion?

 

What should i take into consideration before buying so i don't end up with a body that later could be "infected" with zinc corrosion on the top plate?

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I'll reply to this one.  I don't know if there are any guarantee of any zinc top M that are more resistant to oxidation.  I had a late model  M6 TTL which I tried to store properly and still had a bubbly top plate but it led to a Millennium with a brass top.  Like the old saying, you pay your money and take your chances.  Good luck with your search.

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Was brass used for the TTL models?

 

Not routinely. I understand that only a few very late M6TTL bodies (made close to the time the M7 was introduced) plus some of the special editions such as the Millennium and "Die letzten 999" feature a brass top plate.

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TTL Serial No. 2547790, a 2000 camera, has wear but no corrosion whatsoever; I am not the original owner.  

 

With prices that make the M6 TTL such a great value, I bought a late camera where there was no corrosion visible.  Three years ago my research from links on the L-camera-forum and the Rangefinderforum led me to articles indicating this oft-repeated issue had been resolved quickly at the beginning of production of the M6 TTL's top plates.  I'm just another anecdote.  YMMV, etc.

 

Fred

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