To Filter or not to Filter your Lens

Bob W pdml at
Tue Sep 18 15:24:21 EDT 2012

> From: pdml-bounces at [mailto:pdml-bounces at] On Behalf Of
> George Sinos
> I know I've probably told this story before.  Back when public smoking
> was more common the camera reps would demonstrate the robustness of
> lens coatings by snuffing out a cigarette on the front element.

that doesn't really demonstrate anything worth demonstrating - it's just hot


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