Nikon D5200 is kind of well regarded camera that shares the same type of excellent sensor with D3200--a fantastic 24 megapixel resolution APS-C sensor. Images shot by D5200 are pretty good, with the noise being handled nicely. As to video shooters, Nikon D5200 is able to record gorgeous Full HD 1920 x 1080 footages at up to 60i or 50i (NTSC or PAL) in H.264 MOV format.
Usually, MOV files can be edited on iMovie, however, it is a fact that iMovie'11 (08/09) can hardly edit Nikon D5200 MOV video clips due to the H.264 codec D5200 compressed. Therefore, if you want to edit Nikon D5200 footages on imovie, you need to convert Nikon D5200 to iMovie accepted format beforehand.
Doremisoft Nikon D5200 to iMovie Video Converter for Windows (Video Converter for Mac) is the well-known professional video converting tool for converting Nikon D5200 H.264 .mov files to iMovie editable video format. Need some help? Just read the following guide:
Download, install and launch the Nikon D5200 to iMovie Converter. Plug D5200 to your computer then click "Add Files" to locate the H.264 MOV videos you want to convert. For saving converting time, you can copy the footages to your computer local disk first.
Hit the "Convert To" menu so as to set the output video format. Select iMovie-friendly video format from the tab as "iMovie"--->"iMovie ProRes (*.mov)". You can customize the detailed output video parameters by clicking "Settings".
After you have finished all the settings above, press the big blue button to begin the conversion. Thereafter, you can easily import Nikon D5200 footages to iMovie for editing.