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Sep 18, 2017 // 5:15 PM

Things To Know About The Canon C-Log Upgrade For 5DMk IV

Written by Meg Tetrault

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Below is a transcript of the video:


Canon released their first major update to their latest camera, the 5D Mark IV. There was a lot of speculation about what the new firmware would have, but the only big thing is the addition of Canon Log, or C-Log. In this video, I'll go through everything you need to know about this upgrade.


First off, C-Log will give you up to 12 stops of dynamic range of 400 ISO or higher. On the back of your camera, the image is going to look darker and flatter with lower contrast and saturation, but don't worry, this is how it's supposed to look. If you want, though, you can make small adjustments to the strength, saturation, and hue of the log image in the menu settings when it's turned on.


With C-Log enabled, you retain much more detail in both the shadows and highlights, so you're not sacrificing one for the other when trying to get the right exposure. Similar to the log settings in other cameras, C-Log offers an image that will be much more flexible when color grading in post-production, which you'll definitely want to do because log footage is just dull and flat.


Take 15% off your first rental lensprotogoCanon has also added a new tool called View Assist for when you shoot in C-Log. What this does is add a lot of basic color grade to the image to make it look more normal with higher saturation and contrast, but it will still be recording the log image for when you get into post.


Now, having all that dynamic range sounds great, but Canon has stated that some horizontal noise patterns may occur in footage when you're using C-Log, depending on a number of things like your lighting, subject, environment, and movement, so you should definitely take some test shots prior to shooting to see if your conditions will result in this banding. If you do have this issue, Canon recommends disabling Peripheral Illumination, which you can find under the first camera menu, and under Lens Aberration Correction, also shooting at a lower ISO, adding more light to your set, shooting at a brighter exposure, or performing brightness adjustments in post. But, be aware that these noise patterns will also become more noticeable when applying high contrast and adjustments while color grading the footage, so just don't try to push it too much. This is just something to be mindful of when you're planning your shoot.


The downside of this upgrade is that it is a paid upgrade that is only offered by licensed Canon technicians. The upgrade costs $99, and will require you to send your camera to the nearest Canon facility.

Want to rent a Canon 5DMK IV with the upgrade installed? CLICK HERE

Topics: Review Camera


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