What causes streaked rays from light sources and black lines on mobile device?

Last Update Date : Aug 20. 2019

Black lines and  flickering when taking photos or video near fluorescent lights

This is a natural phenomenon that can happen when taking photos under fluorescent lights. Fluorescent lights flicker at twice the mains frequency and if you are using a shutter speed of 1/120 or faster, the light and colour intensity can change. This can be more common if you are using Burst Shot mode or Slow Motion.In some cases, the effect can be negated by using the flash.

Black lines and flickering

Pink dots is shown when using camera app

Samsung is aware of this symptom which may appear on some S10 Series devices exposed to extremely bright light such as a laser beam. If excessive heat or high-density energy is concentrated in certain areas of the camera lens, it may cause damage to the micro lens on the camera. It is recommend that do not use a camera on mobile device under extremely bright light condition and please contact  a Samsung Service Center for exchange camera module.

Pink dots

Black dots (Black Sun phenomenon)

This is Black Sun phenomenon that can appear when specific pixel is focused by too much amount of lights at the same time. It is a normal operation which can happen on all camera with CMOS sensor. At such an environment, we recommend to change to a lower exposure value.

*Exposure determines how much light the camera’s sensor receives

Black-dots-in-picture-1

 

Linear light appears around light source

The phenomenon that appears on your camera is not faulty. It’s normal flare phenomenon and it can occur when shooting under backlight that sun/light is located close to screen frame or fingerprint/foreign matter gets on the lens.

Especially, when you take shoot of objects around bright lights, you can easily find it. At that time, please specify where sun is not so close to the screen or check again once you have removed the foreign material on lens (As foreign matter can remain according wiping method, please wipe the lens in a circle around to remove the foreign material completely).

It may differ slightly by lens specification and foreign matter on lens..

linear light appears around light source

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