Most photographers acknowledge the importance of calibrating their monitor. Calibrating their printer is also generally accepted practice among those who print their own images. But many photographers ignore the all-important first step of calibrating their camera. In a well-managed, digital workflow, camera calibration is of equal importance to the monitor and printer.
Until recently camera calibration was a process not much understood by many photographers. The X-Rite ColorChecker Passport has taken the mystery out of camera calibration for those photographers using Adobe Photoshop or Lightroom and capturing images using RAW.