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Filming a VFX Lens Distortion Grid

Ciao a tutti, non perdetevi questa risorsa VFX by Hugo’s desk. In questo video tutorial vedremo come raccogliere i dati delle filmando le Lens Distortion Grids e come utilizzarle in Nuke. Vedremo e perché la distorsione dell’obiettivo è così importante per il successo di un buon effetto.

Lens Grid Download Model

In questo video, parliamo del motivo per cui dovremmo filmare Lens Distortion Grids in VFX.

 

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 calculated 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


Important reading:

What is Distortion by Wikipedia

On-Set Visual Effects Documentation by Niles Heckman

Lens Grid information by Eric Alba

Distortion article by Edmund Optics

EO Imaging Lab 2.1: Distortion video by Edmund Optics

Estimating Lens Distortion Using a Grid

#vfx #lensgrid #nuke #lensdistortion #hugosdesk #compositing

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