Introduction to-photography
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Introduction to-photography

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Photography is a passion, art & creativity that define you just a single click, but to become a best photographer, you must know the basic terms & statistics.

Photography is a passion, art & creativity that define you just a single click, but to become a best photographer, you must know the basic terms & statistics.

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  • Working of a camera is based on the concept of human vision itself. If you have noticed just like your eye all cameras would have a lens, an iris (called aperture in cameras) and a recording material. <br />
  • Nearly all forms of photography are based on the fact that certain chemicals are photosensitive—that is, they change in some way when exposed to light. Photosensitive materials abound in nature; plants that close their blooms at night are one example. The films used in photography depend on a limited number of chemical compounds that darken when exposed to light. <br /> The photographic process can be broadly divided into 3 major steps: <br /> Ray optics and how light is captured on film <br /> Film Processing <br /> Print Processing <br />

Introduction to-photography Presentation Transcript

  • 1. www.mediacenterimac.com
  • 2. 2 INTRODUCTION TO PHOTOGRAPHY
  • 3. DEFINITION 3 Process of recording pictures by means of capturing light on a light-sensitive medium, such as a film or electronic sensor during a timed exposure. The process is done through mechanical, chemical or digital devices known as cameras. The product of photography has been called a photograph, commonly shortened to photo.
  • 4. IMPORTANCE OF LIGHT • The word "photography" comes from French word photographie which is based on the Greek φώς (phos) "light" + γραφή (graphê) "stylus", "paintbrush" or "representation by means of lines" or "drawing", together meaning "Drawing With Light.“ • LIGHT – Raw Material of SIGHT 4
  • 5. HOW IS PHOTO / LIGHT CAPTURED ON CAMERA? 5 Both have: •Lens •Iris •Recording Medium Working Of Camera ≈ Human Vision Concept
  • 6. FOCUS 6 Just like a camera, our eyes also need to focus. Ever tried this exercise? inside our eyes This process is performed by the lens tissues. In cameras this is done by Optical Lenses.
  • 7. TIME OF EXPOSURE 7 Most of us have this belief that our eyes see continuous motion. NO! This is Untrue. Eyes capture only a frame at a time just like a photograph. But when we see successive frames, we perceive motion. Cameras capture light by fast action of opening and closing of a shutter.
  • 8. PHOTOGRAPHIC PROCESS • Film Photographic Process can be broadly divided into 3 major steps: • Ray optics and How light forms images • Film Processing • Print Processing 8
  • 9. EARLIER CAMERA TYPES 9
  • 10. CURRENTLY USED CAMERAS 10
  • 11. DIGITAL CAMERAS • The digital camera perhaps the most remarkable instances of shift from Analog to Digital era. Conventional cameras depended entirely on chemical & mechanical processes. On other hand, digital cameras work on the mechanism of recording images electronically. 11
  • 12. DIGITAL CAMERAS • In Digital photography, lens flashes the image on a sensor instead of a Film. This sensor (CCD) which is made of semi- conductor material captures image as a long string of 1s & 0s that represent all tiny colored dots / pixels. • We’ll be discussing this in detail in forthcoming sessions 12
  • 13. 13