| The camera obscura box reproduced these conditions and clarified the images with the addition of a lens. |
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| The use of the camera obscura for painting is hardly a matter of short cuts or technical ease. |
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| The party also had a camera obscura to produce topographic images, although they seem never to have used it. |
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| But the glistening object on the town's market place on Saturday morning turned out to be a mirrored camera obscura. |
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| He gave a number of arguments to support this claim, the most persuasive being the camera obscura, or pinhole camera. |
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| Suppose that one of Vermeer's main uses for the camera obscura was to obtain precise outlines for the various shapes in a composition. |
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| As Hockney points out, plenty of artists like Leonardo da Vinci were keenly aware of the camera obscura. |
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| The work discusses many subjects including demonology, magnetism and the camera obscura. |
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| A traditional camera obscura was a dark room with light shining through a lens or tiny hole in the wall. |
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| Concerning the question of optical aids, there is a possible answer well short of the use of lenses, mirrors, or a pinhole camera obscura. |
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| During their travels around India, the Daniells employed a camera obscura to produce detailed pencil drawings. |
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| It has been suggested that Vermeer traced the images of a camera obscura in his paintings. |
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| My explanation for this very curious result is that Vermeer had a camera obscura with a lens at the painting's viewpoint. |
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| He will have the windows of a tour bus sealed, except for a few lenses mounted on each side that project passing views on a central screen, creating a rolling camera obscura. |
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| He was the first to propose adding a convex lens to the camera obscura. |
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| A few years before that she had created a walk-in camera obscura to visualize the experience of a slave who spent seven years in hiding in a tiny attic. |
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| Scientists in the seventeenth century were fascinated by the workings of the human eye, which fostered the invention of optical devices such as the camera obscura. |
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| The project focused on the subject of the camera obscura, with works chosen from each artist's oeuvre specifically to construct a dialogue around this theme. |
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| We are looking to put in a camera obscura or a viewing tower in the church steeple as a tourist attraction to complement the Botanic Gardens across the road. |
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| We climb the tower near the castle to see the camera obscura. |
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| The camera obscura could then be made considerably smaller, and became portable. |
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| Another form of the camera obscura was often used by artists, who traced the projected image on paper. |
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| One's own experience does not correspond with the image remembered or recorded in the camera obscura of history. |
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| For this purpose, he put phosphorescent powders at the back of his camera obscura. |
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| These negatives were made with a camera obscura built according to Niépe's indications found in his letters. |
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| Shortly before dusk, he arrived at the Maryland State House clutching two homemade drawing instruments, a simplified camera obscura and a modified pantograph. |
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| He has long worked with different types of photography, including pinhole cameras and camera obscura. |
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| One would like to know precisely what effects refocusing a lens in a camera obscura would have on the perspective organization of Vermeer's interiors. |
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| The camera obscura was widely used in the 18th and 19th centuries for copying pictures and prints, and for reducing or enlarging their sizes in the process. |
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| In its simplest form, the camera obscura is a light-tight box with a pinhole in one side through which daylight is directed. |
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| The laternist character surprises us with an amazing variety of optical picture and story-telling machines such as the Diorama, the magic lantern, the chromatrope, the zograscope, the peepshow, and the camera obscura. |
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| In the camera, the image-taking descendant of the camera obscura, the screen is replaced with a light-sensitive medium on which the outside scene is projected. |
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| Learn how everyday, household materials can make invisible ink, a camera obscura, or egg tempera paint. |
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| In the lantern, the image-projecting descendant of the camera obscura, the viewing screen is located outside the box and the image projection with the light source are located inside the box: a camera obscura in reverse. |
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| The artist will continue his exploration later with trips throughout Canada and the United States, transforming his vehicle into a moving camera obscura. |
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| In 1824, he put lithographic stones, coated with bitumen,at the back of a camera obscura and obtains for the first time a fixed image of a landscape. |
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| The diffuse highlights Vermeer achieved are comparable to those seen in a camera obscura, a fascinating optical device that operates much like a box camera. |
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| Another early researcher was the English physician William Henry Fox Talbot who, in 1835, obtained the first paper negative by exposing a sensitized paper in a camera obscura. |
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| That is, we can see he used a lens... in a camera obscura to produce a sketch at one time, then used a lens in an epidiascope to transfer, and magnify, that image onto a canvas at a different time. |
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| The photographic camera was derived from the camera obscura, which was in use before the 17th century, to study and reproduce natural phenomena and retrace these manually onto paper. |
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| This project investigates the possibility of using drakness rather than light to create an image in an enclosed space which functions as a reverse camera obscura. |
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| Constitution Hill, scaled by the Aberystwyth Cliff Railway, gives access to panoramic views and to other attractions at the summit, including a camera obscura. |
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| A Camera Obscura is when an inverted image is created by rays of light passing through a pinhole into a dark space. |
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| Camera obscura technology has been used in astronomy to study solar eclipses and in spy work to make surreptitious surveillance cameras. |
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