2) Diffusion material effectively spreads light evenly on your subject, preventing harsh shadows.
3) With its elastic band, you can install or uninstall it easily.
4) It is foldable, thus you can fold and unfold it, and bring it with you wherever and whenever you need.
5) The diffuser is used to create exposures of even density over the entire surface of film
6) Use the diffuser by placing it flush against the front of the lens and exposing through it. The light that passes through the diffuser and on to the film will create an even density across the surface of the film.