Olympus FHT-532 Інструкція з експлуатації - Сторінка 8

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IV
DESCRIPTION OF EACH COMPONENT
A.
Mic:roMlOpe Sund
1.
Limb
8nd
Focusi"9 Mech..,ism
The limb is securely attached to the sturdy base and supports the observa-
tion tube, stage, condenser, revolving nosepiece and focusing mechanism.
The focusing mechanism includes the coarse and fine adjustments and an
automatic pre-focusing lever. This lever is provided to prevent possible
contact between specimen and objective as well as to simplify coarse
focusing. The lever is locked after coarse focus has been accomplished.
This prevents further upward travel of the stage and automatically pro-
vides a limiting stop if the stage is lowered then raised again. The
automatic pre-focusing lever does not restrict fine focusing.
The filter mount is plaoed on the light exit of the illuminator base.
Stage Clamping Lever
Co_
Adjustment Knob
Fine
Adjustment Knob
Automatic
Pre-focusing Lever
FHT
Aux
iI
iory Lens
Shifting
Lever
Fillllr Mount
Light Exit
Coane
Adjustment Knob
Fine
Adjustment Knob
2.
Condenser
The condenser may be mounted on the condenser mount by first
inserting the condenser into the condenser mount from below, aligning
the positioning dots on the condenser and condenser mount, and then
clamping with the clamping screw. Condenser centration can be
accomplished by means of
two
centering knobs. Vertical movement of
the condenser can be adjusted by the condenser height adjustment knob.
The condenser has an excellent resolving power, dry or oil immersion,
from 4x to 100x magnification objectives. When using the 100x
objective, the distance between condenser and specimen should be
filled with immersion oil.
Note: For use with the achromaticlaplanatic condenser N.A. 1.40, the
filter mount is placed on the light exit of the illuminator base, while
either the Abbe N.A. 1.25 or N.A. 0.85 condenser incorporates its
own
filter mount. When the N.A. 0.85 condenser is used for super
widefield observation, keep the auxiliary condenser lens slipped on the
light ex it on the base.
The slide clamping screw permits simultaneous locking of slide and
6