Nikon DS-L4 Instructions Manual page 44

13
Adjust the interpupillary distance.
Look into both eyepieces and rotate the binocular part to adjust
the binocular part's opening until the fields of view for the right
and left eyes coincide.
Tip on adjusting the interpupillary distance
For easy adjustment, look into the eyepiece as if you were
looking at a distant object.
14
Focus and center the condenser.
(1) Press the [F. STOP] button on the DS-L4 screen to stop
down the DIA field diaphragm to the minimum, and look into
the eyepiece. Focus on the field diaphragm image using the
condenser focus knob, then adjust the condenser centering
screws to center the diaphragm image within the field of
view.
(2) Press the [NOSEPIECE] button to bring a 40x objective into
the optical path, and check the focus and centering of the
field diaphragm image. Make adjustments as necessary.
(3) Adjust the field diaphragm so that the size of its image
almost matches the field of view.
Chapter 4
Microscopy with DS-L4
1-32
Coincide the
fields of view for
the right and left.
Field
diaphragm
image
Eyepiece
field ring
Field
diaphragm
image
Eyepiece
field ring