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The Magic of Camera Obscura: Capturing Light in Dark Rooms

Discover the fascinating world of the camera obscura, a fascinating optical device that has captivated minds since ancient times. Originating from the Latin term meaning "dark chamber," this device demonstrates the fundamental principles of light capture. With roots from Chinese writings to Aristotle's explorations, the camera obscura shows how images can be projected and viewed, albeit inverted. Today, these devices serve as educational tools and tourist attractions. Engage with history and creativity by learning to create your own portable camera obscura with friends!

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The Magic of Camera Obscura: Capturing Light in Dark Rooms

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Presentation Transcript

  1. Camera obscura Light as it plays in a dark room…

  2. Camera obscuras… • The term is latin for “dark room or chamber” • Ancestor of the modern camera • Principle of capturing light or pinhole cameras was know to man in ancient times…described in Chinese writings in 5th century B.C. • Aristotle wrote about camera obscura principles in 4th century B.C. • Basically a hole in the wall of a dark room with a screen for capturing the inverted image…but image not permanent. • Camera Obscuras are still in use today…many are tourist spots and educational sites

  3. From the 15th century onward camera obscuras were used by artists as drawing devices…helped with outlines • Gradually they become portable devices and were fitted with lenses and mirrors

  4. Portable obscuras

  5. Light travels in a straight line…image is inverted unless directed by a mirror and lens system

  6. Large obscuras San Francisco Southern California Edinburgh, Scotland

  7. Large obscuras

  8. the Human obscura…

  9. Camera Obscuraviews Notice that the images are upside down and seem to wrap around the room.

  10. Camera Obscuraviews

  11. Create your own camera obscura • Get in groups of 2-3 …you may work alone if you insist • Follow the steps on the provided handout and create your own portable camera obscura • Each member of the group will be responsible for the work…you will list your specific job description on the reflection sheet you turn in with your camera obscura…so no slacking off! 

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