Adobe has posted preview versions of the next releases of the Camera Raw plug-in for Photoshop CS4, Photoshop Lightroom and DNG Converter. Camera Raw 5.6, Lightroom 2.6 and DNG Converter 5.6 release candidates for Mac and Windows add conversion support for RAW files captured with the Canon EOS 7D, Nikon D3S and 17 other digital cameras.

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