Olympus IX81 User Manual download pdf (Page 23)

IX81

Fig. 14

Fig. 15

Fig. 16

Fig. 17

4-4 Observation Tube

Adjusting the Interpupillary Distance

(Fig. 14)

While looking through the eyepieces, adjust the binocular vision until the

left and right fields of view coincide completely. The index dot · indicates

the interpupillary distance.

}Note your interpupillary distance so that it can be quickly duplicated.

Adjusting the Diopter

(Figs. 15 & 16)

}The diopter adjustment accuracy can be improved by using an objective

with as high power as possible.

1. While looking through the right eyepiece, rotate the diopter adjustment

ring 1 on the right eyepiece sleeve until the peripheral area of the field of

view is clearly visible. (Fig. 15)

}The diopter can also be adjusted using the eyepiece micrometer disks.

2. While looking through the right eyepiece, rotate the focusing knob to

bring the specimen into focus.

3. Look through the left eyepiece and rotate only the diopter adjustment

ring 2 on the left eyepiece to bring the specimen into focus. (Fig. 15)

#When rotating the diopter adjustment ring of an eyepiece, hold the

lower part of the eyepiece with the other hand.

Operation When Using Finder Eyepieces (with the U-TR30H-2)

}The finder eyepieces cannot be mounted to the eyepiece sleeves of a

binocular observation tube.

1. Looking through the left eyepiece with your left eye, rotate the top of the

eyepiece 2 until a clearly defined double crosslines can be seen in the

field of view. (Figs. 15 & 16)

2. Looking through the left eyepiece, adjust the focusing knob to bring the

specimen and double crosslines into simultaneous focus.

3. Looking through the right eyepiece with your right eye, rotate only the

diopter adjustment ring 1 to bring the specimen into focus.

Using the Eye Shades

(Fig. 17)

When Wearing Eyeglasses

Use with the eye shades in the normal, folded-down position. This will

prevent the eyeglasses from being scratched.

When Not Wearing Eyeglasses

Extend the folded eye shades in the direction of the arrow to prevent

extraneous light from entering between the eyepieces and eyes.

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Olympus IX81 User Manual Page 23

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