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[OM] [OM] 135/3.5 ¿ MC-SC ?

Subject: [OM] [OM] 135/3.5 ¿ MC-SC ?
From: johnsonpa@xxxxxxxxxxxxxxx
Date: Wed, 13 Jun 2001 11:09:30 -0500
Jim wrote:
"Are we sure that the yellow/purple is indictive of single coating. Your
statement bothered me when I first read it so I did a check of my 50 f1.4
whcih is marked MC. The coating reflection is yellow and purple, no green,
yet the lens is clearly marked as Multi coated! I suspect that there are
differing formulations and coatings, possibly the yellow/purple is an early
MC?"

>>> Well, I guess it could still be multi-coated.  Seems like I read
somewhere (FAQ, maybe) that a consensus had been reached that
_any_ green reflection was MC and yellow/purple was SC.
Have you owned your 50/1.4 since new?
Any chance it has a different front element or ring than the original?
(just a thought)

I'll take another look at mine and see if I see some green.  I'll take
special note of the internal elements if possible.

Anybody else have non-green reflecting lenses marked MC?

--p.j.



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