Nikon Unveils SLR Camera With Hi-Def Video

Nikon has introduced a refresh of its entry-level D-SLR camera, adding 1080p high-definition video recording and other features.

The D3100, unveiled Thursday, is the predecessor to the D3000 released about a year ago. The latest camera has a 14.2 megapixel CMOS sensor, a 3-inch rear LCD and an 11-point auto-focus system.

The CMOS sensor is new with the D3100 and is expected to produce higher picture quality. In addition, the camera offers continuous auto-focus during HD recording, which Nikon says is a first for D-SLR cameras.

The D3100 can record video in two HD modes. Video at 1080p can be recorded at 24 frames per second, while 720p video can be recorded at 24 or 30 frames per second. The lower resolution is better for sharing online. The camera includes an HDMI output for watching stored video through a digital television.

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