Operation Manual

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3.5.3 Selecting the Light Path of the Trinocular Tube
Ɣ Slide the light path selector knob to select the desired light path.
Light Path Selector Knob Indication Light Path Ratio
Pushed-in position Binocular 100%
Pulled-out position TV & Photo 100%
(Fig. 20)
3.6 Condenser
3.6.1 Centering the Condenser
Ɣ Turn the condenser height adjustment knob (Fig. 21) to raise the condenser to its upper limit.
Ɣ Focus on the specimen using the 10x objectives.
Ɣ Rotate the field iris diaphragm ring (Fig. 21) in the direction of the clockwise so that the
diaphragm image comes inside the field of view.
Ɣ Manipulate the condenser height adjustment knob to focus on the diaphragm image.
Ɣ Turn the two condenser centering knob (Fig. 22) to move the iris diaphragm image to the center of
the field of view.
Ɣ Gradually open the field iris diaphragm. The condenser is properly centered if the iris image is
centered and inscribed in the field of view.
Ɣ During actual use, open the field diaphragm slightly until its image circumscribes the field of view.