Some people still prefer the archival quality of MiniDV tapes, even on an HD camcorder such as the Canon Vixia HV40.When you import these AVCHD files into iMovie ’09 (or Final Cut Express or iMovie ’08, if you prefer), they are converted to the Apple Intermediate Codec (AIC) because iMovie can’t work natively with AVCHD footage. These cameras use the AVCHD (Advanced Video Codec High Definition) format-a high-definition format that uses the MPEG-4 AVC/H.264 codec. Tapeless camcorders store their data on hard drives, flash memory chips, MiniDVD discs, or removable memory cards (and some cameras use multiple media).
Also, the more pixel elements a sensor has (and the larger they are), the sharper the image usually is. The larger a sensor is, the better its low-light performance is likely to be (so you’ll see less grain in video captured in low-light conditions). CMOS chips are less expensive, require less power, and can be made smaller than CCD chips.Ī sensor’s size and makeup can make a difference to your video. Most of today’s camcorders use CMOS (complementary metal-oxide semiconductor) sensors. Sensor At one time, digital camcorders contained CCD (charge-coupled device) sensors-imaging sensors that work in tandem with a separate processor to convert images to digital information. (You could, for example, have a camcorder with a 15x optical zoom and a 180x digital zoom.) Digital zoom enlarges the image by making pixels larger, which leads to softer video (similar to scaling up an image in Adobe Photoshop).
In addition to optical zoom, these camcorders offer digital zoom that extends the reach of the optical zoom. The image you get from an optical zoom is as crisp and clear as the lens can make it. All today’s full-size consumer camcorders have at least a 10x optical zoom. Lens Full-size camcorders (as opposed to pocket camcorders such as the Flip MinoHD and Kodak Zi6) have lenses with optical zoom-the kind of zoom controlled by movement of the lens elements. The JVC Everio GZ-HM200 offers a 20x optical zoom, along with a splash of color and the ability to record consecutively on two SDHC cards.
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