10
8-2-12 Insert the filters(Please refer to 6.8)
8-2-13 Adjust the brightness
8-2-14 Start observation
8-3 Observation of phase contrast
8-3-1 Set the main switch to "I"(ON)(Please refer to 8.2.1)
8-3-2 Disengage the filter other than frost filter from the light path.
8-3-3 Select the light path with the light path selector lever.
8-3-4 Attach the phase contrast slider.
8-3-5 Engage the objective matched with the phase contrast slider in the light path.
8-3-6 Disengage the 10X eyepiece and insert the WY1 central telescope.
8-3-7 Adjust the aperture iris.
8-3-8 Adjust the phase contrast.
Using the optical element centering knobs, turn the two
centering screws of the phase contrast slider so that the
ring slit image overlaps with the phase plate of the
objective.
8-3-9 Disengage the WY1 central telescope and
insert the 10X eyepiece.
phase slide
8-3-8
