Archived posting to the Leica Users Group, 1998/06/09

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Subject: Re: [Leica] cron vs lux
From: Dominique PELLISSIER <pelliss@droit-eco.u-nancy.fr>
Date: Tue, 09 Jun 1998 16:41:22 +0200

>From: Dan Cardish <<dcardish@microtec.net>

>Date: Mon, 08 Jun 1998 18:05:54 -0400

>Subject: Re: [Leica] cron vs lux

>

>At 10:36 PM 08-06-98 +0200, Alf wrote:

>>

>>

>>Some years ago, I heard, that NASA used a Summicron to measure

>>distances through moon and Apollo, because it was more reliable and 

>>sharp than any other system. It's certainly untrue. But I love 

>>that charming story, because it values a true fantastic lens.

>

>It is true (as far as I know) that an off the shelf 50 summicron was
used

>on an unmanned satellite (explorer?) that took video of the moon as it

>crashed into it.  I think this was in the early 60s.

>

>Dan C.


RE:

On Surveyors 1,2 and 3 guided devices were equiped with Summicron lenses
2/50.(<underline>Leica fotografie</underline>, 1967/4, p.187, french
edition).