Light Path Selection; Coarse Focus Tension Adjustment - Optika Italy B-1000 Serie Manual De Instrucciones

• Use without eyeglasses
Raise eye shields and observe at the microscope
placing eyes to the shields, avoiding external light to
disturb the observation. (Fig. 29)
9.8

Light path selection

• The observation head is equipped with an optical
path selector that allows the light to be distributed
to the eyepieces and to the photo / TV port.
1. Move the selector ① to one of the three possible
positions to distribute the light. (Fig. 30)
POSITION
IN
MIDDLE
OUT
9.9

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, placed on the right side
of the frame just beside the coarse focus knob.
(Fig. 31)
• 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 20
F ig. 29 F ig. 29
①
F ig. 30 F ig. 30
F ig. 31 F ig. 31