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. Support Hugo's Desk by buying some products from my Amazon UK Storefront (all earned commissions go to the running of the channel): https://www.amazon.co.uk/shop/hugosdesk 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/Distortion_(optics) On-Set Visual Effects Documentation by Niles Heckman http://www.leova.com/vfx_library/Heckman_Set_Documentation_Dec_2006.html Or: https://www.dropbox.com/s/xy0qaowz1dev882/GKR%20Set%20Documentation.pdf?dl=0 Lens Grid information by Eric Alba https://24liespersecond.com/VFX-Lens-Distortion-Grids Distortion article by Edmund Optics https://www.edmundoptics.co.uk/resources/application-notes/imaging/distortion/ EO Imaging Lab 2.1: Distortion video by Edmund Optics https://youtu.be/eRzXNmFf-MY #vfx #nuke #lensdistortion #lensgrid #hugosdesk #compositing #3dtracking #tracking