7
USING THE CONTROLS OF BX-RLA2
1
Selecting the Light Path
(Fig. 1)
Slide the mirror selector lever @ toward the indication of the mirror for the
desired observation method.
BF: Reflected light brightfield observation
DF: Reflected light darkfield observation
# Be sure to slide the mirror selector lever until it contacts the stopper
position.
Fig. 1
Effects of Dummy Slider
The dummy slider ² has been installed on the revolving nosepiece at the
factory. It can be replaced by loosening the clamping knob ³ when a DIC
prism is to be used. However, in observations other than DIC, be sure to
push in the dummy slider in order to prevent flare.
Fig. 2
2
Centering the Field Iris Diaphragm (FS)
(Fig. 2)
1. Slide the mirror selector lever @ to “BF”.
2. Engage the 10X objective by rotating the revolving nosepiece, place the
specimen on the stage and adjust approximate focusing.
3. Pull out the FS knob ² on the reflected light illuminator to reduce the
aperture iris stop a little.
4. Rotate the two FS centering screws ³ using the Allen screwdriver to ad-
just so that the field iris image becomes concentric with the field of view.
5. While pushing in the FS knob ², open the field iris diaphragm until the
field iris image inscribes the field of view. If the image is found to be
eccentric, adjust the centering again.
³
²
@
³
²
@
