Archived posting to the Leica Users Group, 2000/04/14

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Subject: Re: [Leica] Summilux quality
From: Dan Cardish <dcardish@microtec.net>
Date: Fri, 14 Apr 2000 22:57:50 -0400

I have read that the 1961 Summilux upgrade was not acknowledged by Leitz
until 1966 (or was it 1968?).  Perhaps these two dates are a source of
confusion.

Dan C.

At 09:05 PM 14-04-00 -0500, Emanuel Lowi wrote:
>Tried to post this earlier, dunno if it showed up...
>
>The latest edition of the LHSA Viewfinder has an article by Dick Gilcreast
which
>reveals that the 50mm Summilux formula was further improved in 1968, after
the
>commonly cited 1961 formula change. Gilcreast (an excellent source) says
that this
>brought Summilux performance up to the level of the 50/1.2 level, which
says a lot as
>the first Noctilux is a superb (and misunderstood) lens.
>
>If anybody knows how to contact Dick perhaps they can ask him for more
details about
>the change in '68.
>
>I suspect the current 50/1.4 M lens has been updated optically again, as
it now
>focusses closer and takes a larger filter too. Leica is notorious for NOT
revealing
>significant optical and mechanical upgrades.
>
>I also tried to post this week  details of a story from The Gazette in
Montreal 
>which wrote about a new 24 x 36mm 6 megapixel pressure-plate size chip
that will
>begin appearing in digital cameras by the end of this year. The article
specifically
>mentioned the possibility of installing this as a replacement for the
Leica M6
>pressure plate (i.e. back door) to convert the M into digital.
>
>I hope Solms is on this like white on rice.
>
>Emanuel Lowi
>Montreal
>
>