Olympus SZ51 Manual de instruções - Página 18
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6
OPTICAL PERFORMANCE
Zoom
Magnification
0.67X
0.8X
1X
2X
4X
4.5X
Auxiliary objectives (optional)
Auxiliary Objective
110ALK0.3X
110ALK0.4X
110AL0.5X-2
110AL0.62X
NOTE
TIP
Actual field =
14
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The following data shows only the typical magnifications of each zoom magnification.
Working
WHSZ 10X
Distance
FN 22
(mm)
Total
Actual Field
Power
6.7X
8X
10X
110
20X
40X
45X
Working Distance (mm)
350 — 250
250 — 180
200
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*
Eyepiece FN
Zoom magnification x Auxiliary objective magnification*
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Eyepieces
WHSZ 15X
FN 16
Total
Actual Field
(mm)
Power
(mm)
32.8
10X
23.8
27.5
12X
20
22
15X
16
11
30X
8
5.5
60X
4
4.89
67.5X
3.6
Auxiliary Objective
110AL0.75X-2
110AL1.5X
110AL2X-2
* This value is 1X when the auxiliary objective is not used.
WHSZ 20X
FN 12.5
Total
Actual Field
Total
Power
(mm)
Power
13.4X
18.7
20X
16X
15.6
24X
20X
12.5
30X
40X
6.3
60X
80X
3.1
120X
90X
2.8
135X
Working Distance (mm)
130
61
38
WHSZ 30X
FN 7
Actual Field
(mm)
10.4
8.8
7
3.5
1.8
1.6