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Anodised silver replacing chromed brass


colint544

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In the USofA there has been a coin in circulation for a very long time that is made of 75% copper* & 25% nickel. It is a 5 cent coin called a "nickel".

 

* A toxic metal when ingested in too large of amounts.

 

Perhaps they should carry a public health warning not to suck them?

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Hello Easy_Action,

 

Welcome to the Forum.

 

The decision as to whether to use brass or aluminium in a certain spot might have more to do with the fact that Leitz/Leica have a significant number of lenses that share mechanical components. 

 

For example: The 28mm, F2.8 Asph Elmarit-M has the same focussing ring as the 35mm, F2 Asph Summicron-M.

 

If the components are already available in 1 metal it might not be cost effective to retool, etc to make that same item in the other metal.

 

Best Regards,

 

Michael

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