15
III
Usage
Stopping down the diaphragm to the minimum size will make the depth of
focus three times as deep as that when the diaphragm is fully opened, but
the resolving power will be lowered.
5
If you cannot focus on the sample though the
zooming body is at the highest position.
When you use the 0.5X objective or observe a tall sample, you may not be
able to focus on the sample though turning the focus knob to raise the
zooming body to its highest position.
Exchange the pillar for the C-EP extension pillar available on order.
Attach the C-EP extension pillar to the stand in the same manner as for the
standard pillar. (Hold the side having the groove downward. Refer to
item
1
on p.10.) Put the stopper ring on the pillar and then the focusing
mount. Tighten the focusing mount clamp screw.
Note) Contact the bottom surface of the focusing mount with the stopper
ring and securely tighten each clamp screw.
☞
• Refer to the Table 2 on p.35 for the sample heights which may be
viewed.
Extension pillar
Correct
Wrong
Stopper ring
