[MAS.865](../..) > [Scanning Processes](..) > Accidental Cameras
## Accidental Cameras
The most common camera model is that of the pinhole camera (also known as [camera obscura](https://en.wikipedia.org/wiki/Camera_obscura)).
This model does not always happen intentionally and can be used for indirect imaging (similar to *seeing around corners*).

* [Accidental Pinhole and Pinspeck Cameras](http://people.csail.mit.edu/torralba/research/accidentalcameras/) from Torralba and Freeman