Nikon ECLIPSE L200ND / ECLIPSE L200N, Инструкция по эксплуатации

Страница: 40 / 70

3 Operation of Each Part
„
26
„
IC Inspection Microscope ECLIPSE L200ND / L200N Instructions
•
Placing the DIC prism in the optical path
Push in the slider to the second click-stop position to place the DIC prism in the optical
path.
• Removing the DIC prism from the optical path
Pull out the slider to the first click-stop position to remove the DIC prism from the optical
path.
3.13.3 Selecting the DIC prism position
According to the objective in use, select either A or B as the position of the DIC prism. The
correct position to be used is indicated on the objective barrel after the magnification and
the objective N.A. indications. See the objective figure below. The letter “A” on the barrel
indicates that the correct DIC prism position for this objective is “A”. Thus, when you use
this objective, turn the prism selection knob on the DIC slider to match the letter “A” with the
white dot.
Figure-33 Selecting the DIC prism position (objective)
3.13.4 Setting the interference color
Turn the prism movement knob to change the interference colors.
Table-5 Selecting the interference color
Interference color Effects
Dark Observation similar to the dark-field microscopy can be
performed.
Gray The changes in phase difference are shown as the difference
in brightness. This color gives the highest sensitivity in
detecting the phase difference.
Sensitive red-violet The changes in phase difference are shown as a difference
in interference colors. The detection sensitivity is not good as
the gray.
The correct position for the
DIC prism selection knob is
indicated here.