Brightfield - Leica DM1000 Mode D'emploi

9.1.1 Brightfield

• If present: click the condenser disk* into the
BF position.
• If present: pull the light ring slide* out of the
condenser.
• If present: switch the fluorescence illuminator
into an empty position or filter system A.
• Insert a transmitted light specimen.
• Rotate an appropriate objective into place.
• Movable condenser heads:
The condenser top is swung out for
objective magnifications < 10x.
• Bring the image into focus using the focus dial
and set the brightness.
• For an optimal field diaphragm setting, check
the Köhler illumination (→ p. 31).
• Use suitable transmitted-light filters as
applicable (Fig. 47).
Fig. 47 Filter holders
DLF filter magazine for
attachment to micro-
scope base
Filter holder with
2 positions or 1 position
for attachment to
microscope base
Filter holder for screw
attachment on con-
denser
9. Contrast Methods
43