Sony has just introduced three new additions to its high-definition (HD) camcorder line, which include the flash-based HDR-CX7, the hard disk-based HDR-SR7 and HDR-SR5 camcorders. All these three models record full HD 1080 (MPEG-4) with Dolby Digital 5.1-channel surround sound, and each of them has a Carl Zeiss 10x optical-zoom lens as well as optical image stabilization.

According to Sony, the new HDR-CX7 camcorder is the world’s smallest and lightest AVCHD high-definition camcorder. This sony camcorder which weighs just 15 ounces (including battery), is able to record nearly three hours of full HD 1080 video on an 8GB Memory Stick PRO Duo media card.

The Sony HDR-SR7 AVCHD high-definition camcorder has a built-in 60GB hard disk drive and can thus record more than 22 hours of full HD 1080 video.