Olympus BHS-753P Руководство по эксплуатации - Страница 9
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Diopter adjustment ring
Photo tube
P
ertrand lens turret ring
Engraved letters "IN" for in-
sertion of Bertrand lens into
the liqht path.
"OUT"
for
45'
click stop lever
Stage centerinq knob
' .
Pre-focusing lever
adjustment knob
Swing-out knob for top
lens
/
Y
Condenser N.A. is 0.9
(when top lens swings
out, N.A. is 0.25).
removal of. the Bertrand lens
from the light path.
Bertrand lens focusing ring
Clamping screw for stage
rotation
Polarizer clamping screw
After optimum extinction is
attained, clamp the polarizer.
Main switch