# PerspectiveView A [View](view.md) that models a perspective projection. ## Properties ### aspect `view.aspect: number, read-only` Aspect ratio of the viewing frustum. ### fovy `view.fovy: number, read-only` Vertical field-of-view of the viewing frustum, measured in radians. ### near `view.near: number, read-only` Distance of the near clipping plane of the viewing frustum to the Z = 0 plane in viewer space. ### far `view.far: number, read-only` Distance of the far clipping plane of the viewing frustum to the Z = 0 plane in viewer space.