Shoot slowly and methodically, making sure the shutter has closed before you rotate the camera. Overlap your shots between 10 and 50 percent of the image area to make them easier to stitch together. Key camera settings such as aperture, shutter speed, ISO, focal length, white balance, and focus should be identical. To achieve this, I avoid all auto modes, shooting in the manual exposure and focus modes. To determine exposure settings, I first pan the scene, taking meter readings continually along the way. These show me an exposure range from which I can determine a median setting.