The OSL Camera types are scriptable cameras (figure 1). 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) may be created through OSL scripts. It is a very flexible camera primarily used to match the rendering to the existing footage. 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.) is a standard created by Sony Imageworks. To learn about the generic OSL standard, information is provided from the OSL Readme and PDF documentation. The OSL Cameras are designed to work in conjunction with other OSL features such as the OSL Texture node.
Figure 1: The OSL Camera settings.