Archived posting to the Leica Users Group, 1999/04/26

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Subject: AW: [Leica] Summicron 2/50 No.:11825 chrom
From: "Bernhard Wingerter" <Bernd_Wingerter@csi.com>
Date: Mon, 26 Apr 1999 21:42:22 +0200

Hi!
I found this small numbers on each of my longer lenses. The 2/50 has also
22, the 1/50 has 00, the 2.8/90 has 10, and the 3.4/135 has 62. Does this
mean the exact length's are 52.2, 50.0, 91.0 and 136.2 mm? Are all lenses
equal or longer than nominal?

Bernhard


- -----Ursprüngliche Nachricht-----
Von: leica-users-admin@mejac.palo-alto.ca.us
[mailto:leica-users-admin@mejac.palo-alto.ca.us]Im Auftrag von Dennis
Painter
Gesendet am: Freitag, 23. April 1999 15:57
An: leica-users@mejac.palo-alto.ca.us
Betreff: Re: [Leica] Summicron 2/50 No.:11825 chrom

It means the focal length to the nearest tenth is 52.2 mm. Due to
manufacturing tolerances every lens' focal length can vary a bit from
the computed value.
...