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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