46
a
ppendix
B.
Field
of
V
iew
Quick
r
efer
ence
Guide
For
your
convenience,
refer
to
the
list
of
common
telescope
focal
lengths
and
their
corr
esponding
fields
of
view
pr
ovided
by
the
StarShoot
Pr
o.
The
angular
field
of
view
is
shown
in
ar
c-minutes.
The
image
scale
shows
the
relative
size
of
two
refer
ence
objects;
the
Moon
and
the
Orion
Nebula.
Telescope
Focal
Length
Angular
Field
of
View
Image
Scale
of
the
Moon
Image
Scale
of
M42
400mm
208.2'
X
135.9'
500mm
166.6'
X
108.7'
