Olympus CX41 Manuel d'instructions - Page 15

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Également pour Olympus CX41 : Vue d'ensemble (7 pages), Instruction (32 pages)

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Fig. 14

3-5 Condenser

Fig. 15

Fig. 16

Using the Eyepiece Micrometer Disk (Optional)

}Prepare one eyepiece micrometer disk (diameter 20.4 mm, thickness 1

mm) and two 20.4-RH reticle holders (available as 2-piece set).

The field number becomes 19.6 when the reticle holders are used.

When the tilting observation tube U-CTBI is used, the field number is

fixed at 18 and does not change.

}If your eye is poor in eyesight and cannot focus the micrometer, use

eyeglasses to correct your vision. (Dioptric correction of the U-CTBI is

possible with the diopter adjustment ring of the eyepiece.)

1. Remove both eyepieces. (With the U-CTBI, remove only the right

eyepiece by loosening the clamping screw using a small Phillips

screwdriver.)

2. Hold the micrometer disk @ with the side with indications facing down

and place it into a reticle holder ².

#Be careful not to leave dirt on the micrometer disk, as it will be

noticeable during observation.

3. Screw the reticle holder ² containing the micrometer disk @ into the

bottom of an eyepiece.

Be sure to screw in all the way by hooking your nail into the notch ³

on the holder at the end.

4. Screw the other reticle holder, alone, into the other eyepiece in order to

align the field number.

5. Attach the eyepieces again.

Centering the Field Iris Diaphragm

1. With the 10X objective engaged and the specimen brought into focus,

turn the field iris diaphragm ring @ counterclockwise to stop down the

diaphragm to near its minimum size.

2. Turn the condenser height adjustment knob ² to bring the field iris

diaphragm image into focus.

3. Rotate the two auxiliary lens centering knobs ³ to adjust so that the

field iris diaphragm image is centered in the eyepiece field of view.

(Figs. 15 & 16)

4. To check centration, open the field iris diaphragm until its image

touches the perimeter of the field of view. If the image is not precisely

inscribed in the field of view, center again. (Fig. 16)

5. When used for actual observation, open the field iris diaphragm until its

image is slightly larger than the field of view.

CX41

(Fig. 14)

(Figs. 15 & 16)