Infinity Focus Inspection & Adjustment - Nikon VBA23001 Repair Manual

∞ Infinity focus inspection & adjustment
・Replace the finder screen with the infinity focus check screen (J18394), and use the reference lens (J18010)
and read the value. In case it is out of standard, increase or decrease washers (#266 selected from A to C) for
adjustments. * Supply the power (Battery or EH-5) for checking.
Caution: When [J18394] is put in to replace the finder screen, put it with the silver spacers upward, which are
attached on both sides.
J18010
Reference line "0" position of tool lens
－
Device
＋
From +0.01 to -0.05mm
J19001
COLLIMATOR F=600mm
- A109 ･ D90 -
Standard: From +0.01 to -0.05mm 1 scale ＝ 0.01mm）
#266A 1K602-832
#266B 1K602-833
#266C 1K602-976
J18394
INFINITY FOCUS ADJUSTMENT
SCREEN
INC
VBA23001-R.3762.A
Screen washer A 0.10mm
Screen washer B 0.20 ㎜
Screen washer C 0.05mm
J18010
INFINITY STANDARD LENS 50/1.8