15
CX31-P
Fig. 21
Fig. 22
POLARIZED LIGHT OBSERVATION
5-1 Preparation
As the microscope cannot manifest full performance in polarized light observation if the optical adjustments are not
perfect, be sure to perform the following adjustments before observation. Disengage the specimen, quarter-wave plate,
sensitive tint plate, etc. from the light path before proceeding.
1
Cross-Nicol Adjustment
(Figs. 21 & 22)
1. Set the Bertrand’s lens engaging/focusing knob
1
to
(
(out) to disen-
gage the Bertrand’s lens from the light path.
2. Loosen the analyzer clamping knob
2
, push in the analyzer engaging/
rotation knob
3
and then turn it to align “0” of the rotary scale
4
with “0”.
3. Tighten the clamping knob
2
.
4. Slide the polarizer rotation knob
5
slightly in the horizontal direction to
make the field of view darkest.
Polarization light oscillation direction adjustment
#
When the U-CBI30-2 and U-CTR30-2 observation tubes is used, the cross lines rotate during the interpupillary
distance adjustment so the following adjustment becomes meaningless.
}When it is required to align the cross lines in an eyepiece with the polarized light oscillation direction, use the oriented
plate (U-PJ) for the adjustment.
Orientation Plate (U-PJ)
1. Place the orientation plate on the stage, disengage the analyzer from the light path and adjust the focus using a low-
power objective.
1
3
2
4
5