Using CamTwist and Camera Live together with a USB connected Canon EOS camera you can turn your great camera and lenses into a webcam.
Tag: video
Disable preloading on HTML5 Videos
The preload attribute informs the browser whether or not the video data should begin downloading as soon as the video tag is loaded. It gets even better than that, you can chose how much preloading is done with the options auto, metadata, and none.