14
6
OPTICAL PERFORMANCE
Zoom
Magnification
Working
Distance
(mm)
Eyepieces
WHSZ 10X
FN 22
WHSZ 15X
FN 16
WHSZ 20X
FN 12.5
WHSZ 30X
FN 7
Total
Power
Actual Field
(mm)
Total
Power
Actual Field
(mm)
Total
Power
Actual Field
(mm)
Total
Power
Actual Field
(mm)
0.67X
110
6.7X
32.8
10X
23.8
13.4X
18.7
20X
10.4
0.8X
8X
27.5
12X
20
16X
15.6
24X
8.8
1X
10X
22
15X
16
20X
12.5
30X
7
2X
20X
11
30X
8
40X
6.3
60X
3.5
4X
40X
5.5
60X
4
80X
3.1
120X
1.8
4.5X
45X
4.89
67.5X
3.6
90X
2.8
135X
1.6
Auxiliary objectives (optional)
Auxiliary Objective
Working Distance (mm)
Auxiliary Objective
Working Distance (mm)
110ALK0.3X
350 — 250
110AL0.75X-2
130
110ALK0.4X
250 — 180
110AL1.5X
61
110AL0.5X-2
200
110AL2X-2
38
110AL0.62X
160
·
The working distances of the 110ALK0.3X and 0.4X can be varied according to the system.
The indicated magnifications (0.3X and 0.4X) are the values when the working distances are 350 mm
and 240 mm respectively.
·
The 110AL2X-2 cannot be combined with the optional SZ2-LGR ring light guide illumination system.
· The working distance is constant regardless of the zoom magnification.
· The total power and actual field can be calculated with the following formulae.
Total power = Zoom magnification x Eyepiece magnification x Auxiliary objective magnification*
Actual field =
Eyepiece FN
Zoom magnification x Auxiliary objective magnification*
* This value is 1X when the auxiliary objective is not used.
NOTE
TIP
The following data shows only the typical magnifications of each zoom magnification.
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