Olympus CH20 Repair Manual - Page 29

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Olympus CH20 Repair Manual
CH10/CH20

2-4 Exit pupil center check

Centering telescope
(KN0029)
NEA4X Objective
D. REPAIR PROCEDURE
D-5
SLEEVE ƒ.
ž Set the centering telescope (KN0029)
to the right sleeve.
ž Focus on the objective's exit pupil.
ž Make sure that the exit pupil center
meets the standard.
When it is out of standard, change the
prism (LP167000).
See Disassembly and assembly proce-
dures, C-12.
Standard
20% or less of exit pupil diameter