NOTE: For connecting an interface cable to the USB 3.0 terminal, a cable protector is included with the EOS 5DS, and must be used at all times to protect the camera's circuit board.

The Canon EOS 5DS is a natural follow-up to the three-year-old 5D MKIII , a legendary model beloved of many photographers. However, this isn't a wholesale replacement, and isn't even the better performer in every single respect.

Editors' note, February 8, 2015: Updated with correction to US prices and addition of Australia and UK pricing.

The company's new 5DS and 5DS R full-frame dSLRs are its bid to compete with cheaper medium-format models.

With a massive resolution, the 5DS and 5DS R should rival medium-format studio cameras