The Canon EOS-1D C can use more than sixty interchangeable Canon lenses, and features the Canon Log Gamma, an ISO setting range from 50 to 204,800 which can be selected automatically or adjusted manually. The camera also allows the user to view the LCD screen while the HDMI port is in use on an external device and includes a headphone jack. The 1D C shares the same battery that is used in the EOS-1D X, the LP-E4N. Like all Canon DSLR full frame cameras, the 1D does not feature a built in flash. EOS Utility and Picture Style Editor software is included in the purchase of the product which enables the user to adjust several settings from a computer. Like the Canon EOS 5D Mark III and Canon EOS-1D X, the camera features 61 autofocus points, which are assisted by a 100,000-pixel metering sensor. The camera's viewfinder has an estimated magnification of .76x and 100% field of view. Remote control from computer is possible using the built in USB or Ethernet connector.
The camera can be operated remotely with a Canon WFT-E6A Wireless File Transmitter, allowing an external web enabled device to control the camera. The WFT-E6A Wireless File Transmitter unit also enables Bluetooth v2.1 +EDR, to embed GPS location data into files.
According to Canon's website, the EOS 1D C model comes equipped with the EOS-1D C Body, Eyecup Eg, the LP-E4N Battery Pack, the LC-E4N Battery Charger, a Cable Protector and Clamp, a Stereo AV Cable (AVC-DC400ST), the USB Interface Cable (model IFC-200U), and the L7 Wide Strap.
Canon issued a product advisory indicating that, by insufficient lubrication within the camera’s driving mechanism, "the autofocus searches but does not lock in on the subject" and "the image shown in the viewfinder is “blurry” or “not steady”". Any bodies sold with the issue are being "recalled" by Canon.