The OSL camera is a scriptable camera. You can create custom Camera types for any purpose (such as VRImmersively engaging and experiencing depth perception in a three dimensional scene through stereo vision goggles and head-mounted displays. warping) with OSL (Open Shader LanguageA shading language developed by Sony Pictures Imageworks. There are multiple render engines that utilize OSL as it is particularly suited for physically-based renderers.) scripts. It is a very flexible camera that matches the rendering to the existing footage. To learn about the OSL standard, refer to the OSL Readme and PDF documentation. The OSL cameras are designed to work with other OSL features, such as the OSL texture node.
Figure 1: Accessing the OSL cameras from the Create panel