−
20
−
2-2-2 SR-53
Illustration
Procedure
(1) Focusing
The photographic focal point is poor and pho-
tographs are not clear.
Attach SR-53 to the main unit, turn the magni-
fication drum to 16× and project the
φ
10 aper-
ture on the test bar.
Attach the focus positioning tool to the camera
mount unit.
Make sure that the scale line on the focus posi-
tioning tool is fit to the focus on the test bar
surface.
16
×
SR-53
Test bar
1
Scale line
Focus positioning
tool
Test bar surface
◎
Focused
◎
Not focused
(Test bar surface cannot be seen.)
Beam splitter
3
2
1
2
3
P-SLD_OPTION-0-0308-14