Chapter 1
Microscopy Procedures
14
Chapter 1-2
Micr
oscopy
Pr
oced
ures
Phase Con
tras
t Mic
ro
scopy
16
Adjust the field diaphragm.
Turn the field diaphragm dial to adjust the field diaphragm
so that it almost circumscribes the field of view.
Size of the field diaphragm
Normally, adjust the field diaphragm so that it
almost circumscribes the field of view. Opening
the field diaphragm too much results in stray light
entering the field of view, generating flare and
reducing the image contrast. In addition, the
specimen will become decolorized over a wider
area.
Field diaphragm's adjustment timing
Be sure to adjust the field diaphragm each time
you change the objective.
Circumscribe around the field of view
Adjusting the field diaphragm
17
View the specimen.
Rotate the stage knob to move the target. If the target is not in focus, use the focus knob to adjust the focus.
To switch to bright-field microscopy
●
Turn the condenser turret until the [A: empty] symbol comes to the front.
●
Microscopy is possible with an objective of 4x or greater, but UW microscopy with the 4x objective will
cause vignetting.
●
When the condenser is set to [A: empty], its performance is equivalent to that of the Abbe condenser.
18
Turn off the power.
Turn off the power switch (press to the “O” position) for the microscope. (The power LED on the front of the main
body will turn off.)
Field of view
Field Diaphragm
Field
diaphragm
dial