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

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Subject: Re: [Leica] cron vs lux
From: "Charles E. Albertson" <>
Date: Tue, 09 Jun 1998 09:06:41 -0700

I think the program/spacecraft was named Ranger. I still remember watching
the "landing" (sort of like the way a bug "lands" on a car windshield at 60
mph on the highway) on TV as a kid. Waste of a couple of good Summicrons...

Chuck Albertson
Seattle, Wash.

At 06:05 PM 6/8/98 -0400, you wrote:
>At 10:36 PM 08-06-98 +0200, Alf wrote:
>>Some years ago, I heard, that NASA used a Summicron to meassure
>>distances thru 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 sattelite (explorer?) that took video of the moon as it
>crashed into it.  I think this was in the early 60s.
>Dan C.