Olympus SZ61 - Manual (Page 16)

13
OPTICAL PERFORMANCE
# The following data shows only the typical magnifications of each zoom magnification.
Zoom
Magnification
Working
Distance
(mm)
Eyepieces
WHSZ10X
FN 22
WHSZ15X
FN 16
WHSZ20X
FN 12.5
WHSZ30X
FN 7
Total Power
Actual Field
(mm)
Total Power
Actual Field
(mm)
Total Power
Actual Field
(mm)
Total Power
Actual Field
(mm)
0.67X 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 1 8.8
1X
110
10X 22 15X 16 20X 12.5 30X 0 7
2X 20X 11 30X 0 8 40X 0 6.3 60X 1 3.5
4X 40X 0 5.5 60X 0 4 60X 0 3.1 120X 0 1.8
4.5X 45X 0 4.89 67.5X 0 3.6 90X 0 2.8 135X 0 1.6
Auxiliary objectives (optional)
Auxiliary Objective Working Distance (mm) Auxiliary Objective Working Distance (mm)
110ALK 0.3X 350 - 250 110AL 0.75X -2 130
110ALK 0.4X 250 - 180 110AL 1.5X 61
110AL 0.5X -2 200 110AL 2X -2 38
110AL 0.62X 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.