Selecting The Observation Method (Bf/Df) - Olympus MX63 Instructions Manual

3-3 Selecting the observation method (BF/DF)

b
Slide the observation light path selection knob a to select the light
1
a
path.
*
The 2-level selection (BF
optional mirror unit is attached (by the Olympus representative), the
3-level selection is available.
When the hand switch is combined
The lighting of the CUBE indicator b of the hand switch (BX3M-HS)
is changed according to the selection of the observation method
selection knob.
(OP) Optional mirror unit*
The aperture diaphragm
Brightfield
BF is set per each objective
observation
automatically.
The aperture diaphragm is
Darkfield
DF set to the OPEN position
observation
automatically.
DF) is set as factory default. However, if the
MX63/MX63L
25 25