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Old 12-03-2008, 04:26 PM
Dennis
Dazzled by the Cosmos.

Dennis is offline
 
Join Date: May 2005
Location: Brisbane
Posts: 11,757
Hi Rider

The magnification and limiting magnitude would be different, shown in the example from SkyTools below:

16mm 82 degrees.
FOV 31.5 min
Magnification 156.2
Dawes limit 0.5”
Magnitude 15.6

30mm 43 degrees.
FOV 31 min
Magnification 83.3
Dawes limit 0.5”
Magnitude 15.3

Cheers

Dennis
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