Using The Polarizer/Analyzer Unit (Ma2-Pa/Ma2-Upa); Inserting/Removing The Polarizer/Analyzer From The Optical Path - Nikon ECLIPSE MA200 Instructions Manual

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Adjustment with centering telescope (C-CT)
Remove one of the eyepieces and attach the centering telescope instead. Turn the eyepiece of the centering
telescope to adjust the focus. This will allow you to view the objective pupil (a bright circle) and the aperture
diaphragm image.
3.13

Using the Polarizer/Analyzer Unit (MA2-PA/MA2-UPA)

Polarizer rotation ring
Slot for λ plate
Figure 3.13-1 Polarizer/analyzer unit
3.13.1

Inserting/removing the polarizer/analyzer from the optical path

Polarizer/analyzer unit
Figure 3.13-2 Inserting/removing the
polarizer/analyzer from the optical path
Chapter 3 Operation Details
Second click-stop position
First click-stop position
Polarizer
Analyzer
Attach the polarizer/analyzer unit to the MA200 main
body, then use it for the simplified polarization
microscopy under the episcopic/diascopic
illumination, and the differential interference contrast
microscopy under the episcopic illumination.
MA2-PA or MA2-UPA is equipped with both the
polarizer and the analyzer with the slot provided to
insert the λ plate for the sensitive color microscopy
(see 3.14). A single push or pull of the unit allows you
to insert or remove both the polarizer and analyzer
from the optical path at the same time.
The MA2-UPA is equipped with the 1/4 λ plate. If
using the MA2-UPA for polarization observation, the
low-contrast sample such as aluminum can be
observed with clear contrast.
For the simplified polarization microscopy under the
diascopic illumination, only analyzer of the unit is
used.
Push the unit attached into the microscope, and once
the polarizer/analyzer hits the second click-stop
position the polarizer/analyzer enters the optical path.
Pull out the unit in advance, and when it hits the first
click-stop position the polarizer/analyzer is removed
from the optical path.
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