Samsung L830 - Digital Camera - Compact, Руководство по обслуживанию

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Ⅲ. ADJUSTMENT
3) LENS SHADING
Adjusts the brightness of the edges of an image to compensate for the Lens Shading of the camera.
Lenses tend to make the edges of an image darker than the rest. This phenomenon is called “Lens Shading”.
This adjustment will increase the brightness of the edges of an image.
< Adjustment Procedures >
a...Prepare an AE Tester.
* The luminance specification for the Light Source Box is 8.2 LV.
* The position of the Light Box is 10mm±1mm when the lens barrel is opened.
* The Colour Temperature of the Light Box is 3300K.
b...Save the corresponding adjustment file into the SD card.
c...Insert the SD card containing the program file into the camera and set the camera for the AE Tester.
d...Set the LV value of the AE Meter to 8.2.
e...If you turn the camera on, the adjustment is progressed automatically.
f...When the adjustment is complete, the camera will automatically be turned off.