Summary: In case that you encountered import issues while handling Sony HDR-CX290 AVCHD MTS clips with iMovie or FCE, you can consider converting these AVCHD content to a format that is best suited for iMovie/FCE, such as AIC MOV.
Sony today took the wraps off ten new HD camcorders ranging in price from under $300 to around $1,600 but all sharing what Sony calls "best in class" technology. It has overhauled its suite of Handycam camcorders, all capable of recording full HD videos, and many with built-in Wi-Fi or built-in projectors. Sony HDR-CX290: With 50x Extended Digital Zoom and Optical SteadyShot image stabilization, can create high definition 1920 x 1080 60p videos and high quality 8.9MP still images.
However, if you want to edit Sony HDR-CX290 60p MTS in iMovie/FCE, you will meet some problems. MTS format is not easy to use as it's not well supported by many editing software, especially on Mac. Currently neither iMovie nor FCE supports the original MTS footages from CX290, that's why you cannot import Sony CX290 MTS files to iMovie/FCE.
The common practice for MTS workflow with FCE/iMovie is, get a Mac AVCHD Converter and transcode CX290 MTS footage to AIC (Apple Intermediate Codec), the well-acknowledged optimal editing format for iMovie and FCE. By converting .MTS files to Apple Intermediate Codec(AIC)(*.mov) you save both time and trouble, as AIC video will be processed by FCE and iMovie naturally without rendering, and all you need is drag and drop the result video for prompt editing.
Here we recommend you Pavtube MTS/M2TS Converter for Mac - A Top Sony AVCHD to AIC Converter for Mac to transfer Sony CX290 AVCHD recordings for iMovie or FCE editing.
Step 1. Free Download Pavtube MTS to AIC Converter for Mac. This software can convert Sony CX290 AVCHD MTS video to iMovie, FCE compatible formats or other common formats.
Step 2. Install and run this Mac AVCHD to AIC MOV Converter. This professional Sony MTS to Mac Converter can help you convert Sony 1080p AVCHD MTS files to rich formats for use on Mac.
Step 3. Click Format column to choose the output format for iMovie. Click and choose "iMovie and Final Cut Express -> Apple InterMediate Codec (AIC) (*.mov)", it's the best format for iMovie - to import Sony HDR-CX290 MTS clips to iMovie or FCE.
Step 4. You can click "settings" button to adjust output parameters, such as resolution and bitrate.
Tips: You'd better set the video frame rate as 30fps, video size as 1920*1080 for for further editing with iMovie or FCE.
Step 5. Click convert button to start converting Sony HDR-CX290 MTS footage to AIC MOV.
After the MTS to AIC converter finished transcoding, you can run the iMovie or FCE to import the converted files and edit Sony HDR-CX290 MTS in iMovie and FCE without any rendering or compatibility issue.
File Importing Steps: How to import video files or projects to iMovie 8/9/11 on Mac?
AVCHD Related Tutorial:
3D AVCHD Converter for any player watch 3D
Transcode Panasonic HC-X900, HC-X900M AVCHD 3D MTS on Mac
Can FCPX process Sony 3D DEV-5 .mts footage?
Convert Sony HVR-Z7 M2T files to ProRes LT for FCP editing