In Covid-19 times, the window began to represent the border and the chasm between the external and the internal world. Freedom and confinement. Obs-cu-ra is the sum of everything. A photo essay developed by Bruno Alencastro from the principle of the camera obscura. From there, he went to the home of 80 other photographers from 24 countries around the world who agreed to turn their homes into large-format cameras and captured life in times of a pandemic. Each with its uniqueness. Achievements and losses. Desires and privileges. Fears and hopes.