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Help! Looking for Flicker-Free lighting options for high speed Green Screen

Graeme

Graeme

So as I make more and more films, I'm wanting to do more sci-fi/fantasy based, and use location footage from around the world. So looking forward I need to setup a green screen in either my garage or spare room in my house.

Garage - concrete floor, longer space, high ceiling but less temperature control (cold in the winter, hot in the summer) and garbage can location.

Spare Room - Carpet Floor, 8 foot ceilings, about 80% long and same width as garage.

Ideally my long term efforts would be to set up a true studio elsewhere, but that costs more money than I currently budgeted.

I know I need Blue & Green screen of some sort but in terms of lighting I'm quite lost as there seems to be a significant number of options and locations to which to purchase.

There is however a cravat, I'm shooting with a FS700 for slow motion so I need Flickr free lighting, which so far I've only found in portable LEDS, as you can guess this is expensive, so I'm looking at other options if possible.
 
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It really depends on what frame rate you plan to shoot. Many fixtures are safe up to 120fps. Past that, and you're getting into a whole 'nother realm.

Even HMIs aren't flicker free! Despite having 'flicker free' ballasts, they are only safe up to ~120fps; past that you'll start to run into issue.

The only options past that are really the sun (which is cheap, easy and free!), large tungsten lights (5k+ as anything less tends to flicker), or Plasma lights, which are not bad, but relatively expensive for someone on a low budget to get any kind of decent output. There are a few select LEDs available that will be flicker free, but not having experience with many, I can't tell you specifically which (though I believe the Area 48 Remore Phosphour ones are relatively flicker free IIRC).
 
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Well, it really depends on how much money you want to spend. If you have quite a large budget, there are a few light options I can suggest. With no/limited budget, I can't really suggest anything (other than the sun) that I know 100% certain will be safe up to 240fps.
 
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Dedolight has a ballast that can lead DC throught your bulbs for 8 seconds before switching back to AC/DC. But it might not be cheap. It's made for high framerates: 1000fps and more :P
 
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