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9.3
Adjust interpupillary distance
Hold the right and left parts of the observation head by both
hands and adjust the interpupillary distance by turning the two
parts until one circle of light can be seen.
If two circles appear, the interpupillary distance is too big.
•
If two overlapped circles appear, the interpupillary distance is
•
too small. (Fig. 1)
9.4
Focus
Rotate the focusing knob to bring the sample in focus. (Fig. 5)
9.5
Diopter compensation
This compensation makes it possible for people with glasses
to adjust the microscope to their eyes and use the microscope
without glasses.
1. Adjust the diopter compensation ring of the right eyepiece
tube until the image of the right eyepiece is clear and sharp.
Repeat the procedure for the left eyepiece. (Fig. 6)
9.6
Magnification
Select the desired magnification by rotating the objective. (Fig. 7)
Total magnification used can be calculated as:
•
Eyepiece magnification x Objective lens magnification.
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