[Leica] Question re SM to M Adapters weird one has SN engraved by Leitz

[len-001 at verizon.net (Leonard Taupier)]

When Leica started making the bayonet mount and made adapters for  
existing lenses, you could order a lens from Leica with a matching  
adapter. I briefly had a 8.5 cm Summarex with a matching adapter that  
had the lens serial number engraved in it. The lens and adapter had  
the same serial number. I don't recall if the adapter had another  
number or not. It sounds like through the years your lens got paired  
up with an adapter from another lens.

Len


On Feb 12, 2009, at 12:07 AM, Mark Kronquist wrote:

> Just one an auction for a 135 Hektor on ebay (needed one) it had a  
> SM to M adapter on (okay Mark where are you going with this)
>
> The real Leitz SM to M adapter has a LENS SN engraved on it 824476  
> (appx 1950) factory done. BTW Lens SN is 655xxx (appx 1948) not  
> same as the adapter.
>
> Never seen this before. Why?
>
> Back of adapter is engraved with 16073 which I assume is the part  
> number but not present on many of my other adapters.
>
> James Lager out there? Anyone
>
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