The Camera Obscura was seen as a drawing tool for a clearer and realistic portrayal of objects.

该暗箱被看作是一个绘图工具，为更清楚和现实的写照物体。

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The utility model relates to a color TV projection amplifier which is composed of a machine frame, guide rails, lenses, apertures, a telescopic camera obscura, a camera obscura interface, etc.

彩电投影放大器由机架、导轨、透镜、光圈、可伸缩暗箱、暗箱接口等组成。

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So they designed a walk-in camera obscura which visitors could enter to watch an inverted view of the surrounding structures, trees, people and traffic.

WSJ: Public Arts Projects Twist the City's Skyline

"No Limits" has something in common with "Topsy Turvy, " the camera obscura in Madison Square Park, created by artistic partners Sandra Gibson and Luis Recoder: Both works offer a new image of the Flatiron Building.

WSJ: Public Arts Projects Twist the City's Skyline