A plenoptic camera having a camera lens, a microlens array and a photosensors array is described. An optical device is arranged before the camera lens according to a light-traveling direction of a light flux entering the plenoptic camera. The optical device includes a first layer that is controllable between a transmissive mode and a scattering mode and at least one light source arranged at a border of the optical device. A method for controlling the plenoptic camera is also described.