Archived posting to the Leica Users Group, 2000/07/05

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Subject: Re: [Leica] Nokton 50/1.5
From: "Dr. Joseph Yao" <yaojkfdr@netvigator.com>
Date: Thu, 06 Jul 2000 12:52:20 +0800

on 6/7/00 11:57 am, Rich Lahrson at tripspud@wenet.net wrote:

>> This is the original Voigtlander Nokton 50/1.5 in Leica screw mount, made by
>> Voigtlander.  It is not the current Nokton, made by Cosina.
>> Joseph
> 
> Hi Joseph,
> 
> So the Cosina Nokton is a more or less exact copy?  Obviously with
> multi-coated elements at least.  Was the actual design altered and if
> so, how?
> 
> Cheers,
> 
> Rich

Rich,

Apart from the name, I don't believe the two lenses have anything in common.
The current Nokton is a completely new design with, interestingly, an
element with two aspheric surfaces.

Cheers,

Joseph