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5 First Operating Steps | 5.6 Adjusting the Transmitted-Light Phase Contrast or the Transmitted-Light
Darkfield using a Contrast Slider
ZEISS
7. Fully open the aperture diaphragm of the Abbe
condenser using its control lever (left limit
stop).
8. Adjust the illumination intensity as required.
9. To center the phase stop, remove one eyepiece and replace it with the diopter or telescope.
10. If it is necessary to center the phase stop, insert
the two Allen wrenches into the adjusting
screws of the phase slider.
11. Center the phase stop from position
A
to
position
B
by turning the two adjusting
screws of the slider using the two Allen
wrenches.
A
B
12. Afterwards, replace the diopter or telescope with the eyepiece again.
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Instruction Manual ZEISS Primostar 3 | en-US | Rev. 1 | 415501-7011-111_en