Light Path Selection; Coarse Focus Tension Adjustment - Optika B-1000 Series Instruction Manual

• Use without eyeglasses
Raise eyeshields and observe at the microscope placing eyes
to the shields, avoiding external light to disturb the observation.
(Fig. 25)

10.8 Light path selection

• The observation head is equipped with an optical path
selector that allows the light to be split to the eyepieces and
to the photo / TV port.
1. Move the selector ① to one of the three possible positions to
split the light. (Fig. 26)
POSITION
IN
MIDDLE
OUT

10.9 Coarse focus tension adjustment

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. 27)
• 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.
LIGHT
100% EYEPIECES
50% EYEPIECES / 50% TV
100% TV
②
Page 19
F ig. 25 F ig. 25
①
F ig. 26 F ig. 26
F ig. 27 F ig. 27