Olympus-OM
[Top] [All Lists]

Re: [OM] more star trail Qs (re. speed, time, aperture)

Subject: Re: [OM] more star trail Qs (re. speed, time, aperture)
From: Acer Victoria <siddim01@xxxxxxxxxxxxxxx>
Date: Mon, 13 Sep 1999 13:21:51 -0700 (PDT)
>>> Stars are mathematical point sources of lights.  No matter what the
focal length of the lens their images cannot be magnified.<<<

If I understand this correctly, it means that whether I use a 200mm lens
or a 28mm lens, the size of a star will be the same, a point?

/Acer "steppenwolf" Victoria
--
"In a minute there is time / For decisions and revisions which a minute
will reverse."                                                  --Eliot


< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >


<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz