The purpose of the test being to test the ability of each camera’s images to be manipulated after exposure. I have graded each output to try to get it back to neutral using Gamma and density’s chart. As you can see the Alexa responds very well where as the 7d footage fails in highlight exposure detail and it’s codec compromises it’s ability to be pulled up in the darker regions. It’s interesting and telling and goes part way to explaining the more than substantial price difference.

Alexa vs 7d latitude tests from Nick Paton ACS on Vimeo.


If you want a full res version of this, it helps to see the differences more clearly and you can really see the noise increase then donload the quicktime from the link below, it full 1920 * 1080 be careful to right click and download and not left click and run as its 1.5Gb

1920 * 1080 full size clip



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CML-UWE 2015 camera evaluations

Film-Alexa-Epic-F65 by Valvula Films

CML-UWE 9 cameras RAW

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Alexa 4 stops over and back

RAW V Compressed F55 Alexa

Contrast handling in a real world test

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Alexa-Epic-F65 Dynamic exposure


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