Three-point image control
There’s no such thing as exposure latitude
Many photographers refer to a particular film stock as having plenty of latitude; indeed, stock manufacturers often sell certain stocks as having great, or extended, latitude. If we are to produce the very finest images, it is important to abandon all thoughts of film having latitude and use all the tonal range of the film.
If you are using a film stock with the ability to record an image with a tonal range covering seven stops (that is, a lighting ratio of 128:1), and you knew that the image was only ever going out on television, which can only transmit a lighting ratio of 32:1, or five stops of tonal range, then you could say that you had two stops’ latitude, one stop above ...