Comparisons of total magnification, diameter
of field, and resolution.
Objective
Eyepiece
Total Diameter of
Lens
(ocular) Magnification Field Resolution
_________________________________________________________________________
4X 10X 40X 5000 mm
excellent
(scanning
power)
10X 10X 100X 2000 mm
very good
(low power)
40X 10X 400X 500 mm good
(high power)
100X 10X 1000X 200 mm fair
(oil
immersion)