Claim: Nikon D3S(first full-frame camera to feature HD video recording)  is a Digital single-lens reflex camera released on 14 October 2009.
Evidence: It is also Nikon's first full-frame camera to feature HD (720p/30) video recording. The Nikon D3S is a 12.1-megapixel professional-grade full frame (35mm) digital single-lens reflex camera (DSLR) announced by Nikon Corporation on 14 October 2009.