Why do you need a Lens Distortion Grid? VFX Onset Supervision 📸

Timestamps below. In this video, we talk about why we should film Lens Distortion Grids in VFX.

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Timestamps:

00:00 Introduction
00:32 Why should you use a Lend Grid?
00:49 Two types of Distortions
01:26 Why can't I draw lines to calculate Distortion?
01:52 Important reading
01:57 Necessary equipment
02:25 Eric Alba's website
02:40 How to film a Grid
04:00 Special notes about f-stops
05:08 Undistorition pipeline in NukeX
07:27 Conclusion
07:46 Producer Level Patreon Credits
07:50 Patreon Credits

Filmed at Sony Studios, San Diego in August 2019.
I would like to thank Bjorn Omar Gudmundsson for helping me in this video.

Important reading:

What is Distortion by Wikipedia
https://en.wikipedia.org/wiki/Distort...)

On-Set Visual Effects Documentation by Niles Heckman
http://www.leova.com/vfx_library/Heck...

Or:

https://www.dropbox.com/s/xy0qaowz1de...

Lens Grid information by Eric Alba
https://24liespersecond.com/VFX-Lens-...

Distortion article by Edmund Optics
https://www.edmundoptics.co.uk/resour...

EO Imaging Lab 2.1: Distortion video by Edmund Optics
   • EO Imaging Lab 2.1: Distortion  

#vfx #nuke #lensdistortion #lensgrid #hugosdesk #compositing #3dtracking #tracking