Re: SMC again (was Re: Pentax AF 100 mm f3.5 micro)

[Norman Baugher]

What kind of effect would something like this have on B&W?
Norm

Rob Studdert wrote:

> It is known that Carl Zeiss employ individual coating formulas to each
> element in each lens design in order to balance transmittance
> characteristics (ie colour) lens to lens since varying glass types are used.
> Might Pentax be employing similar techniques?

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