The Canon EOS-1D C is an 18.1-megapixel CMOS |digital single-lens reflex camera| (digital SLR) made by Canon in the Cinema EOS range. It shares many features with the Canon EOS 1D X. It was publicly announced on April 12, 2012, and was released in March 2013 with a suggested retail price of US$15,000 (body only). The Canon EOS-1D C is stated to be the world's first 4K resolution DSLR camera.
The 1D C has a full frame sensor but uses an APS-H-sized portion to record 4K resolution (4096 x 2160 pixels) video at 24p and 25p without downscaling in Y'CbCr 4:2:2 format. The pixel size of the sensor is 6.95 μm and records 4K in 8-bit 4:2:2 using Motion jpeg. The other modes in 8-bit 4:2:0, using mpeg-4 AVC/h.264 IBP or ALL-I format. Uncompressed video over HDMI up to 1080p is also possible.
In an interview in February 2016, Canon Product Manager Roger Machin announced that the 1D C would be succeeded by the 1D X Mark II, however, the 1D X Mk II lacks the unlimited recording, and log gamma found on the 1D C, and as of December 2016, the 1D C is still being produced.