Re: [OM] 75-150 f/4 MC Exists..., not sure about 55 f/2 and 135 f/3.5

[Jim Couch]

Very interesting. I will have to check my 75-150 at home and see if 
there is any indication on it as to the coating status.
Jim Couch

R. Lee Hawkins wrote:

> Hi all:
> See the following link:
> http://olympus.dementia.org/Hardware/PDFs/75-150mm_f4.pdf
>
> This is a parts diagram from Olympus for the 75-150 f/4.  It lists two
> versions of the elements, a "C" version, which indicates "coated", and
> an "NMC" version, which seems to indicate  "new multicoated".  From
> looking through the parts diagrams Mark has on the page, it appears
> Olympus had at least 3 types of coating:
>
> C: single coating
> LC: single coating (perhaps the same as "C"?)
> MC: The original multicoating process
> NMC: A newer multicoating process.
>
>  


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