Why does the Advanced Photo System cassette have a plastic door instead of “fuzzy stuff?
The “fuzzy stuff” on a 35 mm film magazine (which we call velvet or plush) and the door on the Advanced Photo System film cassette serve the same purpose: they prevent light from entering the container. However, Advanced Photo System film does not need to stick out of the cassette before use as 35 mm film does, so it isn’t necessary to provide a light-tight surface that is flexible enough to conform to the shape of the film’s surface. Outside the camera, the film’s light-tight door stays closed, protecting the light-sensitive film emulsion. When the Advanced Photo System cassette is loaded into a camera or device, the locking door opens and the film’s leader is thrust out. This design offers consumers the convenience of drop-in loading and the assurance that the film will always be loaded correctly. • What kind of pen and ink should I use to write on the cassette? You can write on the Advanced Photo System cassette with most common pens and pencils, including ballpoint pens, graphite p