[Galaxy S8/S8+] Why do I get Black lines and the video screen twinkles when recording infront or under fluorescent lamp?

Last Update date : 2017.04.19

This is a normal phenomenon related to flicker of light source that occurs when the light source taking
the form of a flashing frequency of the fluorescent lamp to the camera
. Flicker phenomenon can mainly
be generated at a shutter speed of 1/120 or more and it occurs in the characteristics
of the CMOS sensor. It is not a product defect.


Especially, as frame rate of slow motion is 240 frame rate per second, you may feel flicker phenomenon
more certainty.


This is normal operation which can happen on all camera with CMOS sensor and it’s caused by CMOS
sensor’s original

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