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[OM] exposure for star photos

Subject: [OM] exposure for star photos
From: Chuck Norcutt <norcutt@xxxxxxx>
Date: Thu, 02 Sep 1999 20:21:14 -0400
Acer, f/1.8 is too fast and will lead to sky fog.  Use the 50mm but
close it down to f/4 instead.  30 seconds is about right.  See:

http://www.astronomical.org/alnotes/astro16.html

Chuck Norcutt
Woburn, Massachusetts, USA

-------------------------------------------------
Acer Victoria wrote:

<snip>  The night skies are getting clearer and the crisp air is too
tempting to stay indoors.  I don't have a cable release yet, but it's on
the way.  So, for 400 speed print film, what speed/aperture values do
you advise?  What about lenses (I'll experiment anyway). I have 28/3.5,
three 50s (1.4MC 1.8MC 3.5MC macro) and the 200/4. I'm thinking of
starting with the
1.8. 30seconds sound OK for wide-open 50/1.8?
Thanks to all.

/Acer "steppenwolf" Victoria

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