Zeiss KF 2 ICS Specifikace stáhnout pdf (Strana 89)

100

Care, maintenance and trouble-shooting

Axiostar plus Troubleshooting Carl Zeiss

B 40-815 e 12/01 4-5

4.2.3 Troubleshooting

Problem Cause Remedy

The vis/doc knob on the

phototube is not in the correct

position (intermediate position)

Move the vis/doc knob on the

phototube to the correct position

(end position), see p. 3-18, 3-20

Nosepiece with objective not

switched to stop position

Switch nosepiece with objective

to stop position

Vignetting or

inhomogeneous image

brightness in the field of

view;

the field of view is not

entirely visible

Condenser not set correctly Set condenser correctly

(adjustment, centering),

see p. 3-4, 3-5

Aperture diaphragm not set

correctly

Set aperture diaphragm correctly

(centering , opening), see p. 3-5

Luminous field diaphragm not set

correctly

Set luminous field diaphragm

correctly (centering, opening), see

p. 3-5

Filter not inserted correctly in filter

mount

Insert filter correctly in filter

mount, see p. 3-3

Low resolving power and

poor image contrast

Aperture diaphragm opening not

set correctly

Set aperture diaphragm opening

in accordance with the 2/3 rule

or depending on the specimen

features, see p. 3-5

Condenser not focused correctly Focus condenser, see p. 3-4, 3-5

Wrong cover slip thickness for

0.17 transmitted-light objectives

Use the correct 0.17 mm cover

slips, see p. 1-7

Use of no or unspecified

immersion oil with CZ immersion

objectives

Use CZ immersion oil 518 N, see

p. 4-8

Air bubbles in the immersion oil Remove air bubbles by applying

new oil or by moving objective

back and forth

Immersion oil at the front lens of a

dry objective

Clean the front lens of the dry

objective, see p. 4-2

Corr. ring is not set to the correct

cover slip thickness

Set the corr. ring to the correct

thickness, see p. 1-7

Dirt or dust on the optical surfaces

of objectives, eyepieces,

condensers or filters

Clean the appropriate

components, see p. 4-2

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