Archived posting to the Leica Users Group, 2000/04/13

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Subject: RE: [Leica] nokton v. summilux
From: "B. D. Colen" <bdcolen@earthlink.net>
Date: Thu, 13 Apr 2000 14:50:31 -0400

Oh, damn....I'm really sorry...So the "new" Summilux is only produced from a
39-year-old formula, not an incredibly old 41-year-old formula...Hard to
keep those dates straight. :-)
B. D.

- -----Original Message-----
From: owner-leica-users@mejac.palo-alto.ca.us
[mailto:owner-leica-users@mejac.palo-alto.ca.us]On Behalf Of Stephen
Gandy
Sent: Thursday, April 13, 2000 2:43 PM
To: leica-users@mejac.palo-alto.ca.us
Subject: Re: [Leica] nokton v. summilux


the same Summilux  formula ?? Very UnTrue guys.

The Summilux was introduced in 1959.  In 1961 the formula was changed and
much
improved, from # 1844001 and later.

Stephen Gandy

Tom Finnegan wrote:

> B. D. Colen wrote:
> Although no different optically from a Summilux purchased new today..:-)
>
> Very true, and it is a tribute to the designers of the Summilux that it
> still performs so well. There have, apparently, been a number of tweakings
> to the coatings over the years. So in theory a newer lens will have
> slightly higher contrast and better flare control compared to an early
> lens. In practice, if one is using higher speed B&W film, the differences
> probaly are not noticeable at all. If you are shooting color slide film,
> however, the color renditions  and saturation may differ somewhat and a
> newer lens, whether Summilux or Nocton, may be desireable.
>
> Newer is not necessarily better, just as older is not necessarily better.
> It depends greatly on the preferences and intents of the photographer.