[LargeFormat] wollensak lens color coded dots

[Richard Knoppow]

----- Original Message ----- 
From: "LNphoto" <LNphoto@twmi.rr.com>
To: "f32" <largeformat@f32.net>
Sent: Friday, December 05, 2003 6:34 PM
Subject: [LargeFormat] wollensak lens color coded dots


> Okay  who can tell me what the dots mean on coated Wolley
lenses.   One
> dot is yellow, I think one is either red or blue.  Some
lenses have two
> dots.  Does this mean Wolley was "multi-coating" lenses 20
years before
> the Japanese "invented" the process?
>
> Les
>
>
  This is one of the puzzles I've been trying to find an
answer to for a long time. Similar dots appear on post-war
Bausch & Lomb lenses.

---
Richard Knoppow
Los Angeles, CA, USA
dickburk@ix.netcom.com