Optika Italy B-150P Serie Manuel D'utilisation page 9

9. Use of the microscope
9.1 Light intensity adjustment
Operate on the light intensity adjustment dial ① to turn ON /
OFF the microscope and to increase / decrease the illumination
voltage. (Fig. 4)
9.2 Coarse focus tension adjustment
• Adjust the tension using the provided tool.
The tension of the coarse focusing knob is factory preset.
1. To modify the tension according to personal's needs, rotate
the ring ②. (Fig. 5)
• Clockwise rotation increases the tension.
• If the tension is too loose, the stage could go lower by itself or
the focus easily lost after fine adjustment. In this case, rotate
the knob in order to increase the tension.
9.3 Stage
Stage is equipped with two clips ③ for the sample placement.
Standard specimen is glass slide, thickness 1,2 mm with cover-
slide 0,17mm. (Fig. 6)
Specimen can be moved with hands.
1. Lift the clip, place the specimen and gently release the clip
until the specimen is secured over the stage.(Fig. 6)
2. When used in polarized light stage can be rotated on 360°,
be grabbing the knurled ring ④ placed on the outer side of
the stage.
9.4 Adjust the interpupillary distance
Only B-150P-BRPL
Hold the right and left parts of the observation head using both
hands and adjust the interpupillary distance by turning the two
parts until one circle of light can be seen. (Fig. 7)
• The graduation on the interpupillary distance indicator ⑤,
pointed by the spot "." on the eyepiece holder, shows the
distance between the operator's eyes.
The range of the interpupillary distance is 48- 75 mm.
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