Olympus U-UCD8A Instrukcja obsługi - Strona 24

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Problem

g. No interference color appears

during Nomarski observation.

h. Interference color appears

during Nomarski observation

but color is uneven.

Cause

Polarizer is not inserted in light path.

Analyzer is not inserted in light path.

DIC prism is not inserted in light path.

DIC slider is not inserted in light path.

Polarizer and analyzer are not in "crossed

Nicol" position.

Vertical positioning of condenser is in-

correct.

Incorrect optical element is inserted in

light path.

Incorrect objective is in use.

Remedy

Engage polarizer in light path.

Engage analyzer in light path.

Engage DIC prism by rotating turret.

Engage DIC slider in light path.

Re-adjust polarizer.

Center condenser.

Engage optical element that matches

objective in use by rotating turret.

See tables in "Optical Elements and

Compatible Objectives" on pages 26 to

29 and use correct objective.

Page

13/14

26-29