Calculating Total Magnification And Field Diameter - Leica StereoZoom User Manual

Calculating total
magnification and
field diameter
M O Objective magnification
M E Eyepiece magnification
z Magnification changer setting
N FOV Eyepiece field number. Field numbers are printed
on the eyepieces:
10×/23, 16×/16, 20×/12, 10×/23B, 16×/14B,
25×/9.5B, 40×/6B
Example:
M O 1.6× objective
M E 20×/12 eyepiece
z Zoom position 4.0
Magnification in the binocular tube:
M TOT VIS = M O × M E × z
Field diameter in the object:
N FOV
∅ OF = __________
M O × z
Leica StereoZoom User Manual – Special notes
1.6 × 20 × 4 = 128
12
__________
= 1.9mm
1.6 × 4
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