Archived posting to the Leica Users Group, 2000/08/18

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]

Subject: Vs: [Leica] M-Rokkor story
From: "Raimo Korhonen" <raimo.korhonen@pp2.inet.fi>
Date: Fri, 18 Aug 2000 19:04:18 +0200

Do you believe in all legends? Multicoating was definitely jointly productionised by Zeiss and Pentax and an unknown American company called Optical Coating Laboratory Inc. - after some years Leitz obtained a licence. The idea itself is about 100 years old.
All the best!
Raimo
photos at http://personal.inet.fi/private/raimo.korhonen

- -----Alkuperäinen viesti-----
Lähettäjä: john <bosjohn@mediaone.net>
Vastaanottaja: leica-users@mejac.palo-alto.ca.us <leica-users@mejac.palo-alto.ca.us>
Päivä: 18. elokuuta 2000 14:12
Aihe: Re: [Leica] M-Rokkor story


>Stephen Gandy wrote:
>> 
>> I've re-read the CL tests by Modern and Popular Photography,  neither of them
>> mention multi coating.  Even though Theo Kisselbach's book "Leica CL" is quite
>> definite about the CL lenses being "coated," there is no hint of better coating or
>> coating improvements, nor is there any mention of multi coating.  If Kisselback
>> doesn't know the CL lenses are multi-coated, its very difficult to believe they are,
>> regardless of any claims to the contrary.
>> 
>> Stephen Gandy
>> 
>When I was a much younger man the conventional wisdom, or lore about Leitz
>lenses was Leitz had been doing multi-coating for years before an advertising
>genius made great copy for Pentax. Leitz never stated that their lenses were
>multi-coated they just assumed that was the right way to do it, so the legend goes.
>John Shick