Canon XF105 White Paper - Page 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
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