Note the firmware revision numbers in this excerpt from promotional literature.
"Dual Pixel CMOS AF Technology
This is an optional upgrade feature that provides enhanced autofocusing, which prevents motion artifacts during rapid talent and pan moves. This features requires your C100 to be sent to an accredited Canon service, where an upgrade will be installed at a cost of $500.
This upgrade provides an Autofocus mode to help ensure sharp focus and smooth focus transitions. It provides a new Continuous AF (Autofocus) function for all autofocus Lenses, using Dual Pixel CMOS AF technology. A new AF Lock setting also lets you change the image framing while holding the desired focus. This feature is ideal for users who regularly shoot with smaller crews, who shoot moving subjects, or who want smoother, more natural-looking autofocus.
Dual Pixel CMOS AF technology features a CMOS sensor that consists of an array of pixels that each feature two separate photodiodes. By continuously comparing their outputs during AF mode, phase-difference autofocus helps ensure non-blurred images and smooth focus transitions even when the talent and/or camera are moving. The new feature places a high priority on maintaining sharp focus while providing a natural, smooth autofocus movement with select Canon EF lenses — including newer-generation STM lenses — which offer even smoother and quieter operation.
This upgrade will have firmware version 2.0.3.1.00, which also includes the Continuous Recording enhancement available with firmware version 1.0.3.1.00."
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