Olympus BX51M Manual de instruções - Página 8

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REFLECTED LIGHT BRIGHTFIELD/DARKFIELD

OBSERVATION PROCEDURE

}The following flow shows the basic operating procedure for reflected light brightfield or darkfield observation. The operating

procedures for polarized light and Nomarski DIC observations will be described separately in their descriptions.

Select the brightfield (BF) or darkfield (DF) ob-

servation.

Set the main switch to " I " (ON).

Select the light path (trinocular tube only).

Place the specimen on the stage.

Engage the 10X objective in the light path.

Bring the specimen in focus.

Adjust the aperture iris diaphragm and field iris

diaphragm.

} Open both iris diaphragms in case of DF ob-

servation.

Engage the desired objective in the light path

and bring the specimen in focus.

Start observation.

Disengage the analyzer, polarizer,

filter, etc. from the light path.

Check interlocking of the ND filter.

Adjust the brightness.

Adjust the interpupillary distance.

Adjust the diopter.

Insert the required filters.

Adjust the brightness.

(Controls Used)

@ Mirror selector lever

² Main switch

³ ND filter knob

| Light path selector knob

ƒ Stage plate

... X/Y-axis knobs

† Revolving nosepiece

‡ Coarse/fine adjustment knobs

Š Brightness adjustment knob

‰ Binocular tube

‹ Diopter adjustment ring

Œ AS knob

™ FS knob

† Revolving nosepiece

‡ Coarse/fine adjustment knobs

š Filter insertion slot

Š Brightness adjustment knob

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