@brief Uncommon: de-allocates the variant. Usually you just let the destructor do this.

Construct but do not open a camera

@brief Ensures the variant is initialized.

@brief Gets the raw pointer

@brief Compute a camera matrix given an image width and height in pixels, "sensor width" in mm, and "focal length" in mm

@name Identification getters @{

@name Identification getters @{

@brief Gets the raw OSVR_DisplayConfig

@name Child-related methods @{

@name Child-related methods @{

@name Child-related methods @{