| But the glistening object on the town's market place on Saturday morning turned out to be a mirrored camera obscura. |
| The use of the camera obscura for painting is hardly a matter of short cuts or technical ease. |
| Suppose that one of Vermeer's main uses for the camera obscura was to obtain precise outlines for the various shapes in a composition. |
| The work discusses many subjects including demonology, magnetism and the camera obscura. |
| He gave a number of arguments to support this claim, the most persuasive being the camera obscura, or pinhole camera. |
| It has been suggested that Vermeer traced the images of a camera obscura in his paintings. |
