I'm relatvely new to filming and my new workplace has a Canon XF105.
I need to film a large about of footage against a green screen... here's my set up.
We've just bought this new kit which includes 4 x 85 Watt 5500k Day Light Bulbs.
The reason fro purchasng the new kit was because a previous filming session resulted in poor quality footage - green screen was really dark and lights minimal. Additioanlly i was shotting in auto mode so movement resulted in an awful blur.
So, hense the new kit, plus a large amount of time looking at different set-ups, lights and camera settings. This is what working with at the moment...
But my footage is still really grainy and blured - any advice anyone has i would be really grateful!
Many thanks in advance, a novice videographer!
If the footage is grainy then there isn't enough light getting in. You're probably going to need brighter lights because 1/50th of a second is low and is the reason you're getting blur. Cameras always need a lot more light than you might think as they perceive light differently than our eye would. It may help if you set the gain to M and then fine tune it to adjust the specific scene you are shooting as well.
Is it possible that those umbrellas are reflecting more light away from your subject rather than toward it? Might you be better off using those two lights with reflectors pointing forward, or maybe even turning the umbrellas around and getting more reflected light on your subject?
I'm a novice too when it comes to video cameras, so any advice I come up with is based mostly on my experience with still photography. So don't take any of it as gospel, just some simple, basic changes that you might experiment with. I looked at some of the specs for the Canon XF105 and it appears to be a pretty serious chunk of gear. A bit of a learning curve, for me at least, but should be more than capable of the task. Do you at least have some background experience working with still photography?
As Tim mentioned above, photography loves light. But video really seems to drink it up. If you're worried about using too slow of a shutter speed, don't forget that you can possibly also open up the aperture a bit to suck in some more light if you're shooting in manual exposure mode. But like with still photography it will also reduce your depth of field. Though that may not be that much of a concern for shooting against a green screen.
Are those CFL lamps in your photos above or some type of LEDs?
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