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Showing results for tags '50hz'.
Found 3 results
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Hey everyone, I'm wondering if I were to use a 1.2k HMI with a magnetic ballast in the UK on wall power (50hz) - if keeping my shutter angle at 180, will I get flicker at 50fps or 100fps or is it only likely to happen when I move off these frame rates? I know magnetic ballasts can be a little more finicky for flicker.
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Hello everyone, I will be filming a shortfilm with my H16 EL in a couple of weeks. I am planning to light one interior scene with an HMI 1,2KW and some practical lights. I live in Europe so light is 50Hz. Given that shutter angle is 170ยบ, is there any way to avoid lights from flicker at 24fps or 25fps? (24x360)/170=50,82 If my maths are correct, 24fps would give the closest shutter speed to 1/50. Best, Marcos
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This Summer I'll be in France shooting some B-Roll in the Paris Metro/subway. It will be entirely available light down there, and I'm pretty sure it's all fluorescent. How best would I avoid light flicker? Camera is an Arri 416 Plus, shooting 7219. MOS. My usual framerate is 24fps with 180 degrees shutter otherwise, but if I'm down in the Metro with presumably 50Hz fluorescents, would it make sense to shoot that footage at 25fps since it's MOS, and the 1 frame difference in camera speed would be negligible in post? I'd prefer not to pull out the shutter tool and switch the angle manually if I can avoid it. Will 25fps with a 180 degree shutter avoid flicker in Europe? Thanks!
