Olympus BX51M Manuale di istruzioni - Pagina 12

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Fig. 8

}For the BX-URA2 universal illuminator, please refer to its instruction manual.

Fig. 9

Pre-focusing Lever

}The pre-focusing lever ensures that the objective does not come in con-

tact with the specimen and simplifies focusing.

After focusing on the specimen with the coarse adjustment knob, turn

this lever @ in the direction of the arrow and lock; the upper limit of

coarse adjustment movement is set at the locked position.

After changing a specimen, refocusing is easily accomplished by rotat-

ing the coarse adjustment knob to reach the pre-focused position, then

making fine adjustments with the fine adjustment knob.

}Stage movement with the fine adjustment knob is not locked.

# If the pre-focusing lever is locked, the stage cannot be lowered to

the lower limit.

Selecting the Light Path

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.

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 for prevention of flare.

(Fig. 8)

(Fig. 9)