Lens Shading - Samsung PL120 Service Manual

6.2. Lens Shading

NOTE
• Make adjustments to the Lens Shading to the surrounding brightness of each camera.
• Because the surrounding brightness is lower compared to the center for each set, separately adjust each set so that the
surrounding brightness is higher.
<Adjustment method>
1) Prepare the AE TESTER.
• Luminance specification of the Light box is 12LV.
• The Light box is located at 10mm±1mm with the body tube open.
• The color temperature specification of the Light box is 3300K.
2) Save the applicable adjustment file to the microSD card.
3) After inserting the microSD card containing the program file to the camera, set the camera to the AE TESTER.
Figure 6.2
4) Adjust the LV value of the AE METER to 12.
5) When you turn on the power of the camera, the adjustment will start automatically.
a) Adjust the Lens Shading with large lense, Zoom 0 condition.
b) Refer to the EEPROM WRITE information and write the adjustment result to EEPROM.
c) Refer to the CARD WRITE INFORMATION to write the adjustment result to the data file.
d) Set the lower and upper specification.
6) When the adjustment is completed, the camera will automatically be turned off.
<Adjustment result>
On the memory card, open and check if a CSV file was generated from the adjustment.
<Restriction>
If the capacity of CSV file is more than 30KB, clear all of the previous data and then, record.
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6. Adjustment
6-3