Are you also baffled by the problem? And try to find a way out? In traditional way, the .mxf can't be found, when directly import Canon XF300 1080i to FCP X, for the MXF file format isn't natively supported by Final Cut Pro X. Worse enough, the Canon XF Plug-in sometimes refuses to work, though it's claimed to make XF100, XF105, XF300 and XF305 footages import into the Final Cut Pro.

In the case, you may have to render to a third party of MXF video conversion program-Doremisoft MXF Converter for Mac can easily convert any .mxf file from Canon XF300, XF305, XF100, etc to Final Cut Pro x-supported file format. The MOV file format with Apple ProRes 422 codec can be optimal file format for FCP X. Moreover, it can have rich presets for playback on versatile portable devices and other video applications.