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Lesson 3 • Types of Cameras

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Lesson 3 • Types of Cameras

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Lesson 3 • Types of Cameras

  1. 1. Today, I will learn… Types of cameras Components of cameras Pixels & Megapixels Introduction to Exposure Learning Goals
  2. 2. Types of Cameras How many types of cameras can you think of?
  3. 3. Types of Cameras Camera Obscura Daguerreotype Kodak & film Instant Camera SLR Point & Shoot Bridge/Prosumer* DSLR Smartphone Mirrorless
  4. 4. Camera Obscura A box with a small pinhole and photosensitive paper; when pinhole is open, paper is exposed to light Versions of camera obscura used as early as the 16th century; telescopes would project images onto walls in darkrooms 1816: Joseph Niépce first to combine camera obscura with photosensitive paper and glass 1826/27: ‘View from the Window at Le Gras’
  5. 5. Daguerreotype 1838: Invented by Louis Dageurre Chemically-treated steel/copper plate that would react when exposed to light Would take approximately 10 minutes to develop/process an image
  6. 6. Kodak & Film 1884: George Eastman, developed dry gel on paper, or film, to replace the photographic plate; the first film roll Portable, low in cost, and for the masses! 1901: Introduction of the Brownie portable camera
  7. 7. 35mm Film 1934: Kodak introduced 35mm (a.k.a. 135mm) film catridges This became the standard for photography and motion pictures Also known as full-frame
  8. 8. Instant Camera 1923: A camera that developed in a “portable” darkroom was invented; too large and clunky 1948: The first commercial instant camera is developed; Polaroid Land
  9. 9. SLR SLR = Single lens reflex Uses penta-prism mirror to allow photographer to see exactly what the lens sees We’ll see how this works this later… 1959: Nikon F is world’s first SLR camera
  10. 10. Point & Shoot (Digital Camera) 1975: First digital camera, invented by Steve Sasson; worked at Kodak Small, compact, lightweight, user-friendly (not that one , obviously!) Non-interchangeable lens Limited functionality Small sensors (lower quality image)
  11. 11. Point & Shoot (Digital Camera)
  12. 12. Bridge/Prosumer* More functionality than typical P&S Typically, non-interchangeable lens Small sensors (lower quality image) A combo of P&S user-friendliness with more advanced manual features of a DSLR
  13. 13. DSLR 1991: First commercial DSLR; Kodak DCS 100 DSLR = Digital single lens reflex Works identically to the manual SLR Replaces film with a digital sensor Advanced functionality Full frame & Crop-frame (full-sized sensor vs. smaller, more compact sensor) Crop Frame Full Frame
  14. 14. How does the D/SLR work?
  15. 15. How does the D/SLR work? Watch Viewing Shooting
  16. 16. Mirrorless MILC: Mirrorless Interchangeable-lens Camera 2004: Leica M, first MILC Advantages; More accurate representation of final image Gets rid of the penta-prism mirror = Lighter, smaller Less parts, less expensive
  17. 17. Smartphone 2000: First camera phone; J-Phone Initially, very limited; Low quality Low focus range Extremely small sensor Now, camera phones rival point & shoots!
  18. 18. It’s not about the gear!
  19. 19. What is a Pixel? Digital bit of colour information The smallest editable component of an image
  20. 20. What is a Pixel?
  21. 21. What is a Megapixel? A megapixel is a measurement of pixels by the millions 1 megapixel = 1 million pixels A 10 Megapixel camera can potentially have 10 million pixels within a single image
  22. 22. What is a Megapixel? You can calculate a megapixel by multiplying the image’s width and height in pixels; For example; 4752 px wide X 3168 px high = 15,054,336 pixels or 15 megapixels
  23. 23. Exposure
  24. 24. What is Exposure? In photography, exposure is the amount of light in your image. Exposure can be determined by three key factors: Aperture Shutter Speed ISO
  25. 25. Role-Reversal In small groups, you will get one key term related to exposure Your job is to teach and test the class about these terms in a creative way: Teach: PowerPoint or Prezi Test: Kahoot! Game or Socrative Quiz And, design a reference sheet regarding your term
  26. 26. Role-Reversal Within your lesson, be visual! For example; Present to the class what the difference between an image with a low ISO vs. high ISO
  27. 27. Role-Reversal Test your classmates’ knowledge of your key exposure term by including 2-3 questions that are related to that key term using a game or quiz. For example:What are common resolutions in digital displays? You will present your ‘lesson’ and test your class

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