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We really need your help.

We are shooting a movie and searching for a solution how to capture video from HDMI port of Canon 5D Mark II to an iMac 27 inch in real time. The iMac doesn't have an HDMI port. We have a Mini DisplayPort to HDMI adapter, but it's not bidirectional so we can't use Mini DisplayPort for input.

Is there any way to capture video in our case? Are there other adapters that are bidirectional or something else?

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The iMac's stock HD probably won't be able to keep up with a 1080 stream - you'll need something really, really fast for r/t imports. – da4 Jan 19 '12 at 17:10

You may be able to use the Log and Capture window (File>Log and Transfer):

Log and Capture window
However, this requires you to hook up the camera in such a way that Final Cut Pro recognizes. IIRC, the Canon 5D Mark II doesn't have a Firewire cable. The HDMI capture card might work, as long as FCP recognizes it.

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You can try with a capture card. Blackmagic offers several options with HDMI.

Blackmagic has two models in the Blackmagic Intensity series that provide inexpensive external stand-alone HDMI converters that you can connect to a Mac with Thunderbolt or USB 3.0, respectively. Prices are about US $190 to $290.

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Can you maybe post several card that offer HDMI. Thanks! – daviesgeek Feb 1 '12 at 17:10

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