23
7. [ADJUST] POSITIONING 1ST AND 2ND MIRROR
[Required equipment]
1
st
mirror angle (45°) adjusting jig, Mirror angle adjusting jig for 27830
(need modify),Mirror positioning scope.
*Adjustment is performed by turning B58 (2 pcs). The Y-axis (the vertical direction) is adjusted
to a 0 target.
*Front housing must set mirror down position.
①
Positioning 1 st mirror : Put the 1
st
mirror angle (45°) adjusting jig on the camera,
and then adjust the mirror seat so that the adjusting jig touches the mirror without gap.
Tolerance ---- X-axis : ±15’
Y-axis : ±10’
②
Positioning 2
nd
mirror : Attach the mirror positioning scope and the
2
nd
mirror angle adjusting jig to the camera, and then adjust the
mirror angle while looking through the eyepiece lens.
Tolerance ---- X-axis : ±0.3mm
Y-axis : ±0.1mm
(Refer to below tolerance for positioning scope)
③
After adjustment is done, apply the supper-glue to both B58.
■
Tolerance for 2
nd
mirror position
(Using with the mirror positioning scope)
1st mirror
B58
2nd mirror
1mm hole
OK
OK
NG NG
（
Standard
）
Scale
Center of Standard
1
2
-
2
-
1
2
1
-
1
-
2
1
2
-
2
-
1
2
1
- 1
- 2
NG: 0.8(X) or over
NG: 0.6(Y) or over
：
Tolerance of 1 mm hole
（
X-axis=±0.8
、
Y-axis=±0.6
）
