Olympus FHT-532 Manuel d'instruction - Page 16

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OPERATING THE MICROSCOPE

Interpupillary Distance and Diopter Adjustments

In order to obtain perfect binocular vision through the eyepieces,

necessary to adjust interpupillary distance and diopter difference in eye

acuity; otherwise, long time observation would put considerable strain on

the obser'.;er's eyes.

1. I

nterpupiltary

istance

Adjustment

(1)

Hold the (igh

and lef

eyepiece tubes with both hands and push the

tubes together, or pull them apart laterallY,whichever is required,

while looking through the eyepieces with both eyes, until perfect

binocular vision is obtained.

(2)

Memorize your interpupillary distance setting. Scale CD is provided

for this purpose, located between the eyepiece tubes.

This interpupillary distance adjustment is necessary each time

observers are changed. Re-focusing is also necessary whenever the

interpupillary distance is changed.

Diopter Adjustment

a. For F HT and EHT

(1)

Rotate the diopter ring

on the right eyepiece tube to match the

scale on the ring

your interpupillary distance setting which you

obtained from scale

as described in the preceding paragraph

1-121

(2)

Look at the image through the

right eyepiece with your right

eye and focus on the specimen

with the fine adjustment knobs.

(3)

Next, look at the image through

the left eyepiece with your left

eye and rotate the diopter ring@

to focus on the specimen with-

out using the coarse and fine

adjustment knobs.

b. For FHT-SW and EHT-SW

Each SW eyepiece is provided with

diopter ring for adjustment of your

diopter difference.

(1)

Rotate the diopter ring on the

right eyepiece tube to obtain

a clear image of the field of

view in the eyepiece.

(2)