8. Summary of brightfield observation procedures
Set the main swith to "ON" and adjust light intensity
Place a slide on the stage
Insert 10x objective into the light path
Remove all the filters from the light path
Set on "O" the Bertrand lens ring
Focus the specimen
Adjust aperture diaphragm
Insert in the light path the desired objective and focus the
Adjust interpupillary distance
Adjust diopter
Center optical axis
specimen
Adjust brightness
Begin observation
(Used commands )
Main switch / brightness
adjustment knob
Slide holder
Nosepiece
Analyzer
Tint plates
Bertrand lens
Coarse and fine focus knobs
Observation head
Diopter adjustment ring
Condenser centering
Aperture diaphragm
Nosepiece
Coarse and fine focus knobs
Main switch /
brightness adjustment knob
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