Wednesday, September 14, 2016

camera history

My camera

  1. The camera obscura is a way of projecting something on to a wall, you'll have a dark room and make a small hole in the wall.
  2. the way we got a step closer to the modern day camera is when Isaac newton and christian huygen perfected the understanding of optics along with the process of making high quality glass lenses.
  3. The parts of the modern day camera niepce created were film, a glass lens, and a dark box.
  4. Something that the modern day camera has in common with niepce's camera is that its a dark box with a lens and film.
  5.  How the modern camera s work is that light passes through the glass and exposes the film and in the end you get a photograph.

Camera modes

  1.  auto mode controls flash based on weather you push it or not and program mode you get to control it.
  2. Portrait mode is used to blur out the background. How its used is that the camera uses the fastest available lens setting.
  3. Sports is used to freeze any motion. How it work is that the camera uses the highest stutter speed possible.

The half press

  1. You should use the half press on the trigger button because that allows faster camera response time, more control over the focus, encourages better composition.

Controlling flash

  1. The symbol below shows there is no flash. you use it wen you want a dramatic mood to your photograph.
  2. this symbol means the auto flash is a determined by default. if the camera thinks it needs more light it will automatically fire.

Introduction to exposure 

  1. If there is too much light the photo will be washed out. 
  2. If there is not enough light the photo will be too dark.

The universal stop

  1. A "stop" is used to represent a relative change in the brightness of light.
  2.  If there are 1 suns instead of 2 then the planet would be 1 stop brighter.
  3. IF there were 4 sun instead of 2 then the planet would be 2 stops brighter.

Shutter and aperture

  1. longer shutter speed has the effect of more light.
  2. shorter shutter speed has the effect of less light.
  3. the aperture effects the amount of light that reaches the film 
  4. when adjusting the aperture, you can increase the amount of light by setting the F-stops numbers to lower numbers, which create larger openings, which in turn increases the amount of light. 

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