Archived posting to the Leica Users Group, 2001/12/12

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Subject: Re: [Leica] Noctilux-ASPH?
From: "John R. Fulton Jr." <JRFjr@compuserve.com>
Date: Wed, 12 Dec 2001 12:52:04 -0600
References: <3B75A484.824CB14C@camera-craftsman.com>

Simon--
That's an interesting question that you asked in August. Did you ever 
get an answer??
John Fulton
Fort Worth

>
>I have a speculation question for the optical design gurus on the list,
>or those well connected. Erwin comes to mind in particular. I was
>reading Dick Gilcreast's piece on the Noctilux on the LHSA Viewfinder
>site and if I understood correctly, he wrote that the vignetting of the
>Noctilux is a compromise made necessary by the decision not to use
>aspheric elements as with the first f1.2 version. I understand how
>complicated that had been and it made sense in 1976, but I'm wondering
>if that's still the case. Leica has been updating a number of its
>designs with molded aspherics, so is it possible or likely we will see a
>Noctilux ASPH 50mm f1 any time soon?
>
>I realise the current one is amazing, but so were most of the pre-ASPH
>lenses and that didn't stop Leica from realizing incremental
>improvements when the new technology became available.
>
>TIA
>
>Simon Stevens

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Replies: Reply from D Khong <dkhong@pacific.net.sg> (Re: [Leica] Noctilux-ASPH?)