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Lighting Flicker
Hi there,
Im wondering if anyone can help? I have some footage i filmed in London on a Canon 5dmkiii 25p 1/50 shutter.
There is flicker from the lighting in the footage. I may be wrong but i had thought if your filming PAL 25p 1/50th in a 50mhz area you should not see any flicker?
If any one can explain why I’m wrong would be greatly appreciated, but also if there is a way to reduce it in anyway through Premier Pro.
I have Magic Bullet Denoiser II plug in which i have read may help but i am unsure of the settings to use?
Thanks in advance for your help!
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18 Replies
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Here is an article that will explain it all for you:
https://urbanvideo.ca/avoid-video-flicker
Steve Crow
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Hi Steve,
Thanks for your message. I’d read that article and it seemed to suggest that shooting 25p in a 50hz zone would not produce flicker?
I may be misunderstanding it though?
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No you’re right, it shouldn’t have happened at least in terms of electricity rates being an issue. Did it look like the rolling bars as seen in the sample video posted in the article?
Steve Crow
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Hi Steve,
Yes it does.. could the electricity at the Hotel have been on a different hz?
I can’t understand it
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Okay, here’s another thread to look at, similar to yours,
One person found that if they held the AE lock button down it solved the problem, another person commented that the problem is that the electricity rate sometime varies so while it is supposed to be a steady 50HZ it may actually be slightly higher or lower – I’m thinking that’s what happened to you.
What a pain in the ass
Steve
Steve Crow
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Its also worst next to the lights so it definitely comes from the lighting. And i shot it in two different rooms so its not an individual light
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by the way, just to be clear, the issue is the pain in the ass, not you! 🙂
Steve Crow
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Ha ha! No worries i got that… thanks Steve, i appreciate your help, very kind…
Such a pain in the ass!
I dont suppose you know anyway of reducing it in post. Annoyingly i can’t reshoot…
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The article from RED is helpful but it says basically the same thing, you shouldn’t have had an issue:
https://www.red.com/learn/red-101/flicker-free-video-tutorial
In both of the earlier threads/pages people talked about different plugins like Denoiser and Flicker Free that seemed helpful, check them out and see if it works, – I think I once used a filter in final cut pro, motion blur something or other to lessen the effect
Steve Crow
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