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Old 07-12-2018, 05:07 AM   #1
Fredke
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Question How much light do I need ?

Hello.

An aspiring Youtuber, I need to buy some lighting.

How many lumen (if that's the relevant unit) would I need in order to film myself standing 3m (10ft) from the light, my back to a window on a sunny day, and still be decently lit from head to waist ?

I intend to buy flicker-free dimmable LED gear, unless advised otherwise.

Thanks in advance for your inputs.
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Old 07-12-2018, 07:14 AM   #2
AcousticAl
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It takes a lot of light to compete with the sun. Does the window have to be in the background?

You can use the light coming in through the window as your key light if you have a decent background the other direction. If it’s a pretty open room with lots of glass and lots of light coming in, you may not need that much light. Both of those options kinda suck when it gets cloudy or dark outside, though.

You just don’t need as much light if you aren’t trying to tame the window in the background unless you’re able to knock the window’s level down with ND gel or a scrim. If you’re absolutely committed to the window in the background, you’ll need a fairly powerful light. Look at the Aputure Light Storm C300D or the Intellytech F-165. The plus side to the window in the back is that it does provide your backlight. Get the light with a softbox (sold separately) and then grab a large 5-in-1 reflector with a stand and holder to bounce your key a little as a fill on the other side of your face.

Last edited by AcousticAl; 07-12-2018 at 07:17 AM.
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Old 07-12-2018, 08:20 AM   #3
Fredke
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Thank you. The C300D is way over my budget, but the F-165 could fit if I squeeze my wallet a little bit.

The room is big and open only on one side, making it too dark most of the time. It is a music studio, and I'd like to be able to film myself at every station, which means sometimes in front of a window. I'd rather not have to dress the windows, for a more more spontaneous grab of the camera (and spotlight) when I feel like recording. Of course, a simple solution would be to close the curtains, but it would be a pity since the view is splendid. Note that we're not talking about having the sun in the frame, but a sunlit landscape in the Background. (Well, sometimes sunlit - it is Belgium after all ;-))

Last edited by Fredke; 07-12-2018 at 08:42 AM.
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Old 07-12-2018, 08:43 AM   #4
AcousticAl
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Quote:
Originally Posted by Fredke View Post
Note that we're not talking about having the sun in the frame, but a sunlit landscape in the Background. (Well, sometimes sunlit - it is Belgium after all ;-))
Right, but any daylight outside the window is going to need some firepower for an interior foreground or the window will blow out and the sunlit landscape will be of no use.
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Old 07-12-2018, 09:20 AM   #5
Fredke
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Quote:
Originally Posted by AcousticAl View Post
Right, but any daylight outside the window is going to need some firepower for an interior foreground or the window will blow out and the sunlit landscape will be of no use.
Exactly. I'd like the sky to be blue (whenever blue), not white.
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