Illuminating photography: From camera obscura to camera phone - Eva Timothy

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Across
  1. 2. Schultz could capture an image, but they were not permanent.
  2. 5. He was a French artist and chemist that competed with Henry Fox Talbot's process.
  3. 6. This process would allow exposed negatives to be stored and developed later in a more convenient place.
  4. 8. Eastman spent many late nights trying to achieve a ___________ photographic process.
  5. 10. The Camera Obscura is a ___________or box with a single small hole that lets light through to project the image.
  6. 12. Henry Fox Talbot's process used _____ to make many copies from a single negative.
  7. 14. This process allowed many copies to be made from a single negative.
  8. 15. It wasn’t until ______, that light sensitive surfaces were discovered that would retain the image (this was considered the birth year of practical photography).
  9. 16. Schultz discovered that exposing certain _____ compounds to light left marks where ever the light touched.
  10. 17. In the early days, cameras required a long _____ time so people were required to remain still when posing.
Down
  1. 1. The invention of this type of film fit in hand held inexpensive cameras.
  2. 3. He believed everyone should have access to photography.
  3. 4. In 17___, Johann Heinrich Schultz discovered a way to capture an image with light.
  4. 6. This process only made positive images so copies had to be made by taking another photo.
  5. 7. Invention used to help with picture taking in it's early days.
  6. 9. It's now estimated that _____ billion photographs are taken each year.
  7. 10. This artists the camera obscura to introduce 3D scenes onto a flat plan.
  8. 11. Used a silvered plate to produced an image.
  9. 13. A person may have to sit still for up to two _____ when taking a photo in the early days.