[LargeFormat] wollensak lens color coded dots

[john frost]

I have a white dot Wolley f6.8 90mm Raptar WA. It covers 4x5, but no 
movements possible.

john (:>))) Also have a white dot f4.5 127mm Raptar in the kit....

Edward Meyers wrote:
> I have an orange dot Optar 135mm f/4.5 on my speed Graphic. Ed
> 
> On Fri, 5 Dec 2003, Richard Knoppow wrote:
> 
> 
>>----- 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
>>
>>
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> 
> 
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