Calculating The Total Magnification/Field Of View Diameter - Leica Ivesta 3 Series User Manual

Calculating the Total Magnification/Field of View Diameter

Parameter
M Magnification of the additional objective
O
M Magnification of eyepiece
E
z Magnification changer position
N Field number of the eyepiece. Field numbers are printed on
FOV
the eyepieces: 10×/23, 16×/16, 20×/12, 10×/23B, 16×14B,
25×/9.5B, 40×6B.
Magnification in the binocular tube
M = M
TOT VIS O
or
1.6 × 20 × 4 = 128
Ivesta 3 Series User Manual
× M
E × z
Example
M Additional objective 1.6×
O
M 20×/12 eyepiece
E
z Zoom position 4.0
Calculation example: Field of view diameter in the specimen
N
∅ OF:
FOV
M × z
O
Appendix
12
= = 1.9 mm
1.6 ×4
63