This left eye in a stereo pair of views was assembled from three navigation camera frames that NASA's Mars Exploration Rover Opportunity acquired on sol 109, May 15, 2004. It is presented in a cylindrical-perspective projection. Opportunity is sitting along the rim of "Endurance Crater" in the Meridiani Planum region.
See PIA05965 for 3-D view and PIA05967 for right eye view of this left eye cylindrical-perspective projection.