Archived posting to the Leica Users Group, 1997/09/13

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Subject: Re: Noctilux 50/1 versus 50/1,2
From: Tom Kline <tkline@grizzly.pwssc.gen.ak.us>
Date: Sat, 13 Sep 1997 11:47:16 -0800

>I'm quite astonished on your informations, since Erwin Puts writes on his
>site/-s:
>
>"The modern Noctilux 1:1,0/50mm (11821) shows how performance has been
>boosted since 1980. It is in all respects a better lens than the famous
>Noctilux 1,2/50mm, the one with the two aspherical surfaces and much sought
>after by the collectors, who unfortunately hardley ever take pictures."
>
>And, you can't say, that Erwin Puts might be superficial or risky in his
>statements. He confirmed his results in a recent email to me, additionally.
>
>Alf

Does this means his reults only pertain to f/1 's built after 1980? His own
site shows several f/1 versions. Which version applies to his tests?
Although the glass formula may be identical, as another poster indicated,
there may be significant coating differences in f/1 versions affecting
results.
Tom


Thomas C. Kline, Jr., Ph.D.
Research Scientist/ Diving Safety Officer
Prince William Sound Science Center
300 Breakwater Avenue, P. O. Box 705
Cordova, AK 99574, USA
907-424-5800
tkline@grizzly.pwssc.gen.ak.us
http://www.pwssc.gen.ak.us/