Magic Lantern RAW - Live View vs Crop Mode - Canon Moire & Aliasing Line Fix - Canon 5Dmkii




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Published on Jul 7, 2013

Say goodbye to the the nasty aliasing problems that have plagued Canon shooters since the beginning of the DSLR revolution. Magic Lantern fixes the Line Skipping / Pixel Binning / Aliasing video problems for most of Canon's range of DLSR cameras, and better yet, it does it in 14-bit RAW! The trick is to hit the record button when you magnify your live view to 5x. Magic Lantern treats being in 5x view as a separate recording mode that just happens to be at (or very near) 1 to 1 pixel mapping. The magic lantern forums suggests that while the screen may say 5x it is really recording at 3x. Additionally, 10x mode also records at 3x - either way, it is a serious FOV crop factor. Once in crop mode you may want to double check your camera settings when in 5x as Magic Lantern saves different values for this mode and also offers different resolutions.

Now there are downsides, it appears to be higher system overhead when recording in crop mode which may require the shooter to bump the resolution down a notch. This varies based on the speed of your CF card. Another big downside is it that it telephotos the lens field of view by 3x magnification - it turns a normal 50mm lens into giving the view of a super telephoto 150mm lens - thus making it harder to get good wide shots and in turn makes accomplishing smooth tripod pans/tilts more difficult as well. Additionally, due to the nature of telephoto focus, the footage will more sensitive to jello effects - you're not gonna wanna hand hold shoot with this mode.

Some of the Panning shots are a bit jumpy due to human error!
The tripod head pan lock was half engaged - DOH

We shot at ISO 200 on the Canon 5Dmkii
Ziess Prime 28mm f2.8 shot at f4
No Noise Reduction was used
Absolutely NO Sharpening Added
Footage converted from cinema DNG to 16bit sequential TIFFs
Sequential TIFFs were converted to ProRes 4444
Quicktime files were dropped into a ProRes 4444 timeline
Final file uploaded to Youtube as ProRes 4444

If you aren't familiar with Magic Lantern or shooting RAW video from a Canon DLSR, Magic Lantern itself is a firmware add-on loaded onto the camera's memory card. Magic Lantern doubles if not triples the options available in your menus. It offers several dozen+ resolution options currently from 640x128 all the way up to 2048x1080 (and potentially as high as 3.5K down the road).

The the ML version I used was listed as nightly build " 3ecd254bdba1 "
For more Info on Raw Recording w/ Magic Lantern and the 5d mkii:

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