BM-800
figure 24
4-9 Adjusting the Field Diaphragm
(Figure 24)
The control for the field diaphragm is a ring used for
adjusting the area of field diaphragm. When using,
turn the ring to reduce the field diaphragm, look into
the field, if the diaphragm image is faintness, do the
follow steps: first, turn the condenser focus knob, shift
the condenser holder to the position where the
observed image of the field of view is sharp; then
open the field diaphragm, let the image full of the field
of view , reduce the mixed light, improving the quality
of the image.
4-10 Switching the Light Path Selection
(Figure 25)
When the light path selector lever on the trinocular
viewing set is pushed in, all the light enters the
binocular tube, so you can do the binocular
observation. While the lever pull out, some part of
light enters the binocular tube, the left go up , enter
the video tube, so you can observe through the video
equipment.
figure25
Light Path
Selector
Lever
