Nikon Coolpix 4100 Repair Manual page 44

10. Lens adjustment
※ For the lens adjustment, choose either the infinity adjustment with the collimator or the 1.5-m adjustment with
the adjustment firmware. (However, in case of 1.5-m adjustment, the focus may not be sharp at infinity.)
10-1. Infinity adjustment
[Preparations]
• Turn the power switch of the adjustment collimator (C-DSC) J63090 to on.
• Turn the power switch of the camera to on.
• Siemens star chart
• POWER switch of camera: ON
[Conditions]
• Set the adjustment collimator and the camera (front surface of lens) at the nearest distance between them.
[How to]
• Double-click on "DscCa1Di140".
• Set the siemens star chart so that it comes center of the screen by checking through the viewfinder.
• Click "Focus", then "Yes".
• Lens adjustment value will appear on the screen.
Judgment standard: xd0 = 0±50 , xd7 = 0±50 , xd13 = 0±50, xd19 = 0±50
• Click "OK".
Camera
カメラ
Adjustment collimator
調整用コリメータ
（ジーメンスターチャート内蔵）
(Siemens star chart built-in)
- A23 ･ E4100 -
"Yes"
Result of adjustment
VAA30001-R.3636.A