John Brownlow: 1. The RAW image
John Brownlow: 2. Set the black point
John Brownlow: 3. Invert the image
John Brownlow: 4. Locate a neutral gray
John Brownlow: 5. Neutralise the gray
John Brownlow: The neutralized image
John Brownlow: 6. Set the white point
John Brownlow: 7. Set the gamma (midtone brightness)
John Brownlow: 8. There is no step 8