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AaronsDooM

Sony a6000+6500 video issue bars in video

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Hey everyone.

I purchased the a6000 a while back and used it for a few. Before I returned it I noticed that some bars on the video feature were under exposed. There were about 3 to 4 bars. I decided to record the video and put it in my lap top just to make sure if it was the cameras screen or something, But as soon as I saw the footage on the computer the bars were in there as well. I returned the camera because I ended up buying the a6500 anyways. Since its a new camera and newer model i forgot about the issue. Later down the road of using the camera I noticed the exact same problem come up on this camera. It is very odd I have done some research and looked for similar situations as mine but so far nothing. Basically I get about 4 horizontal bars that go across the frame of my video that look underexposed. Please take a look at this frame I captured at an event. If you look at the screen shots carefully. You can see the bars are in the exact same position. post-13242-0-38929300-1487576402_thumb.jpgpost-13242-0-56362700-1487576394_thumb.jpgpost-13242-0-87862500-1487576387_thumb.jpgpost-13242-0-46911900-1487576380_thumb.jpg

 

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Could be LED lighting at the venue creating an interference pattern on the exposure. I see this all the time with my a6300 and a6500. If it happens under sunlight maybe there is a problem with the cameras, but unlikely. If it is an LED light frequency problem you might try different shutter speeds to see if that alleviates the problem.

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This is almost definitely an artifact from LED lighting. I see this more and more as LED's have become cheaper and better than their tungsten alternatives. The same problem rears its head with silent shutter on my A6500 and A7r2. I vaguely remember silent shutter strobes the sensor in the same way as video. Sometimes it's very hard to spot until I'm back at home looking at a monitor, and then it's too late. Now I only use silent shutter with natural light if needed.

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