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JVC 4K Pro Handheld Camcorders
GY-LS300, GY-HM200, HM170 and HM-Q10 recording 4K Ultra-High Definition video.


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Old July 2nd, 2017, 03:21 AM   #1
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Grain with WDR mode

Something I noticed while adjusting settings for a great baked in look, is that in WDR mode you get a lot of grain and sensor lines in the shadows. Anyone else noticed or is it only me?
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Old July 7th, 2017, 10:28 AM   #2
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Re: Grain with WDR mode

Okay....:so it must be only me then. I'll contact JVC's tech support, maybe they will have an answer to this question.
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Old August 28th, 2017, 03:21 PM   #3
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Re: Grain with WDR mode

What did they say ? Have you contacted them ? Mine has similar issue, especially visible at DCI 4K mode - i would say it look like as some kind of vertical stripes in dark areas (underexposed environment), they are visible on j-log footage at iso starting from 960-1250, interesting fact that 1600 is better than iso 1250 for example (just grain noise a bit). At ISO below 800 they are very slight. At 560 and down to 400 image is absolutely clean. I Because i filming mostly in J-log - i try not to go above ISO 800. At UHD situation is better. It is image sensor related issue - i can see all these issues very clearly on external 4K monitor via HDMI.
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