No.
Parts name
Screw
Grease Adhesive
Remark
BINOCULAR TUBE
(A)
(B)
(C)
(D)
(E)
CUK3X6SA, 4pcs. (*1)
KNW3SA, 4pcs. (*2)
3PUTB2X4SA, 3pcs. (*3)
ACU3X3SA, 2pc. (*5)
DIOPTER RING
COVER
COVER
INDICATOR PLATE
(G)
3PUTB2X4SA, 3pcs. (*4)
Attach it with double coated
adhesive tape.
SLEEVE ASS’Y
CUK3X6SB, 2pcs. (*8)
(H)
PRISM ASS’Y
(I)
PRISM ASS’Y
CUK3X8SA, 2pcs. (*9)
CUK3X8SA, 2pcs. (*10)
(J)
(K)
(L)
TORQUE PLATE
AWU3X4SA, 2pcs. (*11)
SPRING WASHER
WASHER
(M)
MOUNT
(N)
RING
(O)
(P)
(Q)
(R)
(S)
PRISM MOUNT-L
WASHER
PRISM MOUNT-R
RING
SHAFT
OT3189
OT3189
OT3189
Tension:
*Procedure for mounting indicator plate(D):
1) Set the interpupillary distance to the minimum (48mm).
2) Affix the indicator plate(D) such that the indicator plate line may become parallel to the position
indicated by the round convex of helicoid ass’y(F) and the round convex of sleeve ass’y(G).
HELICOID ASS’Y
(F)
CUK3X6SB, 2pcs. (*7)
Refer to D-1.
Revolving axis:
Follow the adjustment procedure
on D-3.
Left/right optical axis:
Follow the adjustment procedure
on D-3.
Push it in the arrow directions
during assembling.
Exit pupil center:
Follow the adjustment procedure
on D-3.
Same as the above
Apply grease to the contacting
surface only.
Absolute optical axis:
Follow the adjustment procedure
on D-3.
*Tension adjustment (moving force of interpupillary distance ):
1) Loosen the two scews(*11) that fix the torque plate(J).
2) The tension is increased by turning the torque plate(J) clockwise. It is decreased by turnig
it counterclockwise. ( refer to the figure on the previous page.)
3) Measure the tension using a tension gauge.
Standard: Tension 5 - 15N (OT3223)
* In this manual, left ( right) sleeve indicates the left (right) side with the observed condition.
OT3189
standard 5-15N (OT3223)
C-6
CKX31/CKX41
C. DISASSEMBLY AND ASSEMBLY PROCEDURES
HU3X4SA, 1pc. (*6)