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[OM] Invisible optics

Subject: [OM] Invisible optics
From: Chris Barrett <cpbarrett@xxxxxxxxxxx>
Date: Wed, 30 Aug 2000 13:30:34 +0100
You wrote:

> What's your problem, Barry???  Didn'ja *know* that
> the Zuiko invisible 
> glass on the 25mm extension gives the best optics on
> the planet?!?!  

Ah, but is it SC or MC?

If the lenses are invisible, then they must have a refractive index exactly the 
same as air, 
so they will not reflect any light. Therefore you don't need any coating!

SC, MC or ZC (Zero coating)?

Chris Barrett
Malvern, UK




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