5.
Focus the image with the least magnification
(probably with 4x lens)
11.1 Supplementary Manual for Darkfield Model 78904-27 (cont.)
Assembly and use of a darkfield condensor
Installation and setting
1.
Remove the brightfield condenser by unwinding
the screw marked with the arrow. Set up the dark
field condenser and tighten the screw
3.
Lower the condenser slightly, place the slide. In
this way, the immersion oil should not yet touch
the object rinse
4.
Gently turn the condenser up again. When the oil
touches the slide, it is clearly visible through the
slide
2.
Turn the condenser to the highest position and
place a drop of immersion oil on the lens
19
