Magnifications and FOVs

Below are the magnifications/fields of view for typical telescope and eyepiece combinations at the UCI Observatory. For reference, the angular diameters of the Sun and Moon are 0.57 and 0.52 degree, respectively.

EyePiece
 8" Meade f/10
 12" Meade f/10
 UCI 24" f/8
40 mm
 50 / 0.80 degree
 76 / 0.52 degree
 122 / 0.33 deg
26 mm
 78 / 0.51 degree
 117 / 0.34 degree
 188 / 0.21 deg
12.4 mm
 163 / 0.24 degree
 245 / 0.16 degree
 393 / 0.10 deg

Last updated Apr 29, 2009