Olympus CHA-P Manuale di istruzioni - Pagina 8

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Mechanical tube length adjust-

ment rings

Bertrand lens turret ring

Engraved letters "IN" for in.

sertion of Bertrand lens into

the light path; "OUT" for

removal of the Bertrand lens

from the light path.

Bertrand lens focusing ring

Condenser height

adjustment

knob

Stage centering screw

Automatic

pre-focusing lever

Aperture iris diaphragm ring

Numerical aperture scale grad-

uated.

Polarizer scale

Reading to 5°

Swing-out knob for top

lens

Polarizer rotation ring

Condenser N.A. is 0.9

(when top lens swings

out N.A, is 0.25)

Filter mount

Accepts 45mm-diam.

ilters.

Bulb mount

Lamp house clamping knob

The

lamp

house

cover

can

opened

by pulling down the

knob;

or closed

by pushing it up

until it snaps

in place.

Before pushing, ascertain that the

knob is positioned as shown in

the picture right, marked with