Olympus CK40M FRAME 수리 매뉴얼 - 페이지 36

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CK40M

Fine focus sensitivity check

9-1

Set one of following products as illustrated below to check the fine focus sensitivity.

• Eyepiece--------------- WHK10X, WHK15X, NCWHK10X, GSWHK10X

• Objective -------------- MDPlan5X, MDPlan10X, MDPlan20X, MDPlan40X,

• Observation tube ----- CH3-BI45, CH3-TR45, CK40-TBI

• Specimen-------------- Metallic specimen

9-2

Checking fine focus sensitivity

Focus on the metallic specimen.

Remember the position of the scale on the fine adjustment knob at the focused

position.

Turning the fine adjustment knob, set the specimen out of focus (in the both

directions), and then focus on the specimen again.

If the position of the scale on the fine adjustment knob is within 2 graduations from

the position in 2), the result is acceptable.

If the displacement exceeds 2 graduations, the focusing unit must be assembled

again.

Standard:

C. REPAIR PROCEDURE

MDPlan50X, MDPlan80X

MDAch10X, MDAch20X, MDAch50X

(CH3-BI45 is mounted in the following illustration.)

Metallic specimen

Within 2 graduations from the previous focus position

Observation tube

C-15

Eyepiece

Objective