Archived posting to the Leica Users Group, 1998/01/28

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Subject: Re: [Leica] Chance from R to Nikon?
From: "Dale R. Reed" <>
Date: Wed, 28 Jan 1998 12:37:00 -0800

Larry Kopitnik wrote:
> That's what makes the R system better. The glass.

Larry I am a retired Electromagnetics Engineer.  Forty years of
engineering from the Antarctic to Marcus Island, Pacific Ocean to Great
Falls, Montana.  Antennas, Space Vehicles, Nuclear Electromagnet Pulse,
Induced Lightning protection of the 777, propagation, whatever.  And I
still receive the IEEE electromagnetics publications.  You cannot
convince me that the Germans are better engineers than the Japanese

So if it is not the glass(as in materials and manufacture) and it is not
in the mathematics then it must be in the specs.  They must be designed
to different requirements.  And I think this conclusion is reflected in
the LUG discussions.

I have to assume that the numbers(specs) that the engineers design to at
the different companies are trade secrets.  They are not trade secrets
in Commercial Airplane design because the FAA is always nosing around
but cameras are not a public safety issue.  Actually that is not why
Boeing invented the FAA but we won't go into that right now.

So us consumers of cameras and lenses must depend on tests done by
photography magazines, user experience(for example the LUG), and so on.  

But most important we have to decide what we want the camera for.  And
predict, the best we can, what we will want it for a couple years from

Have I got it about right?     Dale
- -- 
$   Seattle, Washington U.S.A.  $