Olympus bx40 Gebruiksaanwijzing - Pagina 20

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Fig. 30

Fig. 31

Fig. 32

Eyepiece micrometer discs tan be inserted into WHIOX-H (and WHIOX)

eyepieces.

Use 24 mm diam. x 1.5 mm micrometer discs. Following Fig. 30, unscrew

the micrometer mounting frame @ from the eyepiece and place a micro-

meter disc @ into the mounting frame. The engraving on the micrometer

disc @ should face downward into the micrometer mounting frame 0.

Screw the micrometer mounting frame back into the eyepiece tube.

Slide the light path selector knob @ to select the desired light path.

0 The selector knob is ordinarily at the middle position. With dark specimens,

push the knob in. If additional light is needed for television or photo-

micrography, pull the knob out.

Pushed in

100% for binocular

Observation of

eyepieces

( darkspecimens

20% for binocular

Observation of

Middle Position

LxlaxQ

eyepieces, 80%

bright specimens.

photography,

for Wphotwwhy

n/ obsep&ion

Pulled out

1 m

/ 100% for

I Photography,

lV/photography

TV observatrons

Note: The U-llR is not equipped with a light path selector knob. The intensity

ratio of this Observation tube is 20% for binocular eyepieces, 80% for TV/

photography.

0 Adjust the height and tilt of the Observation tube to obtain the most

comfortable viewing Position. Holding the binocular section with both

hands, raise or lower it to the desired Position.

j, Never attempt to forte the binocular

section past the upper or

lower stop positions. Applying

excessive forte could destroy the

limiting

mechanism.

+ When using the U-TBI-2 tilting Observation tube, only the viewing

attachments

U-DO, U-MDO, U-SDO and the eyepoint adjuster U-

EPA tan be used. However, when using Plan20X (for a general

P-level configuration),

illumination

at the periphery will be slightly

insufficient

and vignetting

in the peripheral

field may occur when

the apetture

iris diaphragm

is stopped down near its minimum

size. (If intermediate

attachment

combinations

other than the

designated

are used, illumination

at the periphery will be slightly

insufficient.)

0 When using the U-TTR tilting Observation tube, the straight Photo tube

U-SPT or various Video adapters (with the exception of the double-port

U-DPT) tan be mounted on the trinocular Observation tube.

* The U-TBI tilting Observation tube is not recommended

for use in

combination

with intermediate

attachments.