Archived posting to the Leica Users Group, 2000/08/19
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Good question! And Zeiss and Pentax (Asahi) were in collaboration at that time, Zeiss looking for a Japanese partner to produce bodies and lenses for them. Zeiss preferred Pentax but they declined so Zeiss eventually went to Yashica (Kyocera) instead. All the best! Raimo photos at http://personal.inet.fi/private/raimo.korhonen - -----Alkuperäinen viesti----- Lähettäjä: Joe Codispoti <joecodi@thegrid.net> Vastaanottaja: leica-users@mejac.palo-alto.ca.us <leica-users@mejac.palo-alto.ca.us> Päivä: 18. elokuuta 2000 22:59 Aihe: Re: Vs: [Leica] M-multicoating >Some outlandish claims are being made by some on this list regarding >multicoating. >I have no doubt that Leica and other companies were experimenting with >multicoating earlier than the 70s. >However, schlepping on coating on top of coating does not constitute >"multicoating". True multiple coating, the version ultimately worthy of >being called multicoating did not appear until the early 70s. > >Following is a quote from a recent post by Marc Small to the Hasselblad >list: > > ><<snip>> >"the earliest use I can determine of multi-coating was >on Zeiss technical and scientific gear around 1970, probably on a >field-test basis. Both Zeiss and Asahi began to coat camera lenses in '73, >and arguments have persisted to this day as to which of them was "first", >though I suspect Asahi beat Zeiss by several months; certainly, their >advertising was superior! We have evidence of multi-coated, but unmarked, >Planar lenses on 2.8F's and 3.5F's from the mid-'70's". ><<snip>> > > >Therefore my question is: If Zeiss, the formost authority on optical >science, did not produce multicoated lenses until the early-mid 70s how >could anyone else? > >Joseph >