27
3
Rectangle Field Stop BX-RFSS (for exclusive use with the BX-RFA)
}When fluorescence images are recorded with the TV camera for observation or image processing, this unit projects a
rectangular iris diaphragm image with size variable according to the captured image size. This helps prevent color fading
of specimen due to other reasons than image capturing.
Installation Procedure (Fig. 8)
Clamping screw hole
1. Using the Allen screwdriver, loosen and take out the field iris diaphragm
clamping screw @. of the BX-RFA.
2. Remove the field iris diaphragm by puling it out toward you.
3. Insert the BX-RFSS rectangle field stop into the position of the field iris
diaphragm, then tighten the clamping screw @.
Fig. 8
Operation
1. Insert the provided adjustment knobs into the two adjustment screw holes near the front panel, and move the two sides
of the rectangle to the desired position by turning the knobs.
2. Insert the adjustment knobs into the two adjustment screw holes near the rear panel. and move the other two sides of the
rectangle by turning the knobs.
3. After the desired shape has been obtained by moving the sides, remove the adjustment knobs.
}Rectangle area: A rectangle which circumscribes the field with a number of 22 (the center of the rectangle should be
located at the center of field). The rectangle iris diaphragm cannot be rotated.
Adjustment screws
Adjustment knobs (x 2)
@
NOTE
The BX-RFA fluorescence illuminator cannot be attached or removed while the BX-RFSS is installed. IF you want to install
the BX-RFA, remove the BX-RFSS temporarily.
}The adjustment knobs can be stored in the
upper slots of the adjustment screws.