Zeiss Primostar 3, Instruction Manual

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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
6. Set the control lever of the condenser aperture
diaphragm to the value of the selected magnifi-
cation (
10x , 40x or 100x ).
7. Focus on the specimen using the focusing
drive.
8. Use the rotary knob for illumination intensity to
adjust the illumination to a comfortable setting.
If the condenser has been removed (e.g. for installing the illuminating mirror), make sure to rein-
stall and center it using the two centering screws, see
Installing/Removing the Mirror [
}
55] .
5.6 Adjusting the Transmitted-Light Phase Contrast or the Transmitted-Light
Darkfield using a Contrast Slider
Parts and Tools

2 x Hex key, 1.5 mm
Prerequisite
ü The phase contrast method on the microscope requires a stand with Full-Köhler equipment.
ü Contrast slider for phase contrast or darkfield.
74 Instruction Manual ZEISS Primostar 3 | en-US | Rev. 1 | 415501-7011-111_en