Olympus IX81 User Manual download pdf (Page 61)

IX81

Fig. 79

Fig. 80

Fig. 81

Fig. 82

Attaching the Observation Tube

(Figs. 79 to 82)

Binocular Tube (U-BI90CT, U-BI90, U-TBI90) (Figs. 79 & 80)

1. Using the Allen screwdriver, loosen the observation tube clamping screw

1 on the observation tube mount. (Fig. 79)

2. Attach the circular dovetail mount of the observation tube into the obser-

vation tube mount, placing the observation tube so that the interpupillary

distance scale numbers 2 are seen right side up. Then tighten the clamp-

ing screw to clamp the observation tube.

}Normally, the distance from the surface of the desk to the eye point is

approximately 430 mm. If it is desirable to lower the eye point position, the

observation tube (provided it is other than the U-TBI90) may be detached,

turned 180° and then attached on the observation tube mount again. This

lowers the eye point height by approximately 30 mm. (Fig. 80)

Trinocular Tube (U-TR30H-2) (Figs. 81 & 82)

}First mount the IX-ATU intermediate tube.

1. Using the Allen screwdriver, loosen the observation tube clamping screw

1 on the observation tube mount. (Fig. 81)

2. Insert the circular dovetail mount of the intermediate tube into the obser-

vation mount so that its upper surface is flush with the microscope frame.

Tighten the observation tube clamping screw 1 to clamp the intermediate

tube.

3. Using the Allen screwdriver, loosen the observation tube clamping screw

2 on the intermediate tube’s observation tube mount. (Fig. 82)

4. Insert the circular dovetail mount of the observation tube into the inter-

mediate tube’s observation tube mount so that the binocular eyepiece

sleeves face toward the front. Then tighten the observation tube clamping

screw 2 firmly. (Fig. 82)

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Olympus IX81 User Manual Page 61