Insignificant as they may seem, contact sheets have in fact played a significant role in the development of our visual sensibility. For all that they demystify the process of taking a great picture, by showing us the more ordinary hinterland surrounding it, they add subtlety and nuance to our sense of the relationship between photographer and subject, and of the connection between the accidental and the deliberate.
Magnum opus: magic of the contact sheet | Art and design | The Guardian