Nikon D50 Repair Manual page 84

Bottom cover
・ Attach the bottom cover with the screw ( #5692), the screw ( #5697), and 7 screws ( #5677).
∞ Infinity alignment & adjustment
・ Replace the finder screen with the infinity focus check screen (J15410), and use the reference lens (J18010)
and read the value. In case it is out of standard, increase or decrease washers (#297A or#297B) for
adjustments. * Supply the power (Battery or EH-5) for checking.
"0" position
J18010
#5692
Standard: ±0.07mm （ 1 scale ＝ 0.01mm ）
Value of J18010
+0.07 ～ -0.07
+0.08 ～ +0.15
-0.08 ～ -0.15
+0.15 or more; -0.15 or less
Reference
line
- Ａ49 ･
#5697
#5677×7
Bottom cover
Adjustment
Adjustment unnecessary if within standard
Decrease washers (#297) (for thinning)
Increase washers (#297) (for thickening)
Check if Front body or Penta box is not
deformed.
-
VBA12001-R.3668.A