Thanks Piers...:-(> I have NO idea what happened to the link. I suspect
human error!
Regards
John Duggan,
Wales, UK
----- Original Message ----
From: Piers Hemy <piers@xxxxxxxx>
To: Olympus Camera Discussion <olympus@xxxxxxxxxxxxxxxxx>
Sent: Wednesday, 2 March, 2011 10:01:48
Subject: Re: [OM] Fw: On Approach
No link, John!
It's currently on the NASA homepage, but the full-size image is here:
http://tinyurl.com/48zy8tg
In a departure from normal service, I was going to call in the apostrophe
squad to determine whether piggy-backing a camera on an astronomical
telescope would meet the definition of a telephoto, but an 8.5 inch Newton
(except in the case of a miniature physicist) does indeed appear to be the
optical equivalent of a mirror lens. :-)
But only 8.5 inches? See this homebuilt leviathan:
http://www.cruxis.com/scope/scope1070.htm
Piers
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