Canon XF305 White Paper - Pagina 2

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XF105/305 White Paper

Stereoscopic 3D

INTRODUCTION

Canon recently introduced '3D assist' functions in the XF105 and XF305, making them the

rst XF format cameras to include the features essential for professional stereoscopic 3D

production. This whitepaper will rst explain basic stereoscopic 3D concepts and rules for

beginners and then describe how to properly con gure a pair of XF105 or XF305 cameras

together for stereoscopic acquisition.

SECTION 1: THE BASICS OF 3D

The basic principle behind shooting stereoscopic

3D is to capture and then present two slightly

diﬀerent points of view and let the viewer's own

visual system determine stereoscopic depth. It

sounds simple enough but the rst thing any

budding stereographer should learn is some basic

stereoscopic terminology. These few terms may

seem daunting at rst but they will form the basis

of your stereoscopic knowledge.

TERMINOLOGY

Stereoscopic 3D a.k.a. "Stereo3D," "S-3D," or "S3D"

"3D" means diﬀerent things to diﬀerent people. In the world of visual eﬀects it primarily refers to CGI

modeling. This is why stereographers refer to the craft speci cally as "stereoscopic 3D" or simply

"S3D" to diﬀerentiate it from 3D CGI.

Interaxial (a.k.a. "Stereo Base") & Interocular (a.k.a. "i.o.") separation

The interocular separation (or interpupulary distance) technically refers to the distance between the

centers of the human eyes. This distance is typically accepted to be an average of 65mm (roughly 2.5

inches) for a male adult.

XF300/305 Whitepaper

Tim Dashwood

BY TIM DASHWOOD

Stereoscopic 3D