Lens Shading - Samsung ST70 Service Manual

Adjustment

5-3 Lens Shading

■ 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
3. After inserting the microSD
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.
Adjust the Lens Shading with large lense, Zoom 0 condition.
q
Refer to the EEPROM WRITE information and write the adjustment result to EEPROM.
w
Refer to the CARD WRITE INFORMATION to write the adjustment result to the data file.
e
Set the lower and upper specification.
r
6. When the adjustment is completed, the camera will automatically be turned off.
<Adjustment result>
Open and check the CSV file generated from the adjustment memory card.
<Restriction>
If the capacity of CSV file is more than 30KB, clear all of the previous data and then, record
5-4
card containing the program file to the camera, set the camera to the AE TESTER.
TM
card.
TM
Light source box
Fig. 5-1
Camera
SAMSUNG