First Test with Canon C300 on Green Screen

Posted in Blog, Gear, Gear Reviews
First Test with Canon C300 on Green Screen

Different cameras, sensors, picture profiles, and settings all factor into the image that is being recorded. The Canon C300 has a lot of flexibility and a ton of ways to get the exact image you want out of a camera. I’ve been currently testing out profiles for green screen shooting and here are my results after my first test.


I have clients that request green screen interviews and even scenarios that don’t have the budget/time to be color graded. They need a clean and sharp image that is easily keyed and no color correction. A quick boost of contrast and saturation is about it. So please note if you are looking for the most information in your images, I recommend using CLog. However, not every client wants this flexibility and what they want is a ready to go image.

Results from Different Profiles

Here’s a quick video showing the raw files that were then keyed and quickly graded.

What I learned

I realized that I need to keep every light the same color temperature. It caused some skin tone issues that I was able to fix, but took a little time. My background is using the Sony EX3 and lighting everything with Kinos. Daylight bulbs on the green screen and mixed bulbs on the talent. I did not have all the needed resources at the time. What I used was daylight bulbs on the screen and a 1K open face with 1/2 CTB bounced off a white board for the key.

The waveform is a little tricky on the C300 and each profile (specific to the Gamma Curve) has a certain way to optimize your levels. For example, in CLOG I keep highlights between 60-70 IRE vs 100 IRE. This takes time and practice and hence the testing of a specific type of project I often do.

Next time I will keep everything the same color temperature whether that means tungsten or daylight. Depends on what I am provided and what I can rent for the project. I was actually surprised by the EOS Standard Profile. For such a crushed image, I was able to get a lot of information back and smooth it out. Currently, I am working on a custom profile for green screen which I will share once it is ready. Lowering the contrast and saturation will be where I start and then look into each parameter.


  1. Tom Hickmore
    November 15, 2015

    What software are you using for your key? It looks great.

    • Rob Ruscher
      November 15, 2015

      Thanks Tom. Was using Adobe Premiere.

  2. Tom Hickmore
    November 16, 2015

    Thanks Rob – that’s an amazing key!

  3. John Lawrence
    December 16, 2015

    Hi Rob,
    Thanks for your post. I look forward to anything else you come up with.

    We have trouble keying the c-300 unless we record the signal into a pix 240 or similar to get the 10 bit pro res instead of the 8 bit codek the camera records internally.

    John Lawrence


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