SELECT ASA

[Friedric]

Wat is this ?

[SinusoidDelta]

If you could provide a bit more detail, such as where you are seeing this, more people may be able to help.

[Bolt-1]

Its for the camera in the AC.

ISO or ASA in the most basic terms is the speed with which your film or digital camera responds to light, so the higher the ISO/ASA rating the more sensitive the film