I'd be willing to do mine. I think I have only one silver ring lens: an
SC 85/2.
george
Dr. Chris Barrett wrote:
>
> Paul Schings wrote
>
> "One possible exception is the zooms. I *think* they are all MC."
>
> No they are not. My 70-150 is all black and is SC. It does have the letter
> designation for the number of elements.
>
> Of my lenses (24/2.8, 35/2.8, 50/1.8, 50/3.5 macro, zoom and 200/f4) only my
> 50 macro has a silver ring, but it is designated MC, and indeed it looks MC.
> Similarly the 200/4 always was MC. My original 50mm f/1.8 which I bought in
> 1979 was SC (all black, letter designation), but a later one I bought is
> designated MC.
>
> It think the letter desigantion, and reference to sources such as the lens
> group manuals is the best way through this morass.
>
> Alternatively, do we have enough members to survey the lenses, and their
> serial numbers to see if there are any obvious change points?
>
> Chris
>
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