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Controlling light to achieve.  exposure is the quantity of light reaching a photographic film, as determined by shutter speed and lens aperture.

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Presentation on theme: "Controlling light to achieve.  exposure is the quantity of light reaching a photographic film, as determined by shutter speed and lens aperture."— Presentation transcript:

1 Controlling light to achieve

2  exposure is the quantity of light reaching a photographic film, as determined by shutter speed and lens aperture.

3  With a light meter!  Light meters quantify light.

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9  The light meter takes into account the ISO of the film and reports back with a suggested Shutter Speed and Aperture setting.  Use the meter reading as a guideline  Make changes based on the subject and the desired effect.

10  ISO  Shutter Speed  Lens Opening

11  ISO is the speed of the film.  Film speed indicates the relative sensitivity to light.  We use ISO 400 black and white film

12  Light meters see light and dark areas and average the brightness to give you the correct exposure.  Use a 18% Gray card held up in the area you want to photograph.  The light meter off the gray card will give you an accurate exposure reading.

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14  Control your image with proper use of camera settings  You can get different effects and a correct exposure by knowing your camera settings

15  The camera sets shutter speed and aperture based on meter reading  This is a guideline to adjust from

16  Shutter –Priority AE Mode  You set the shutter speed the camera selects the f- stop, or Aperture

17  Lets in less light  Can freeze action  1/250 or faster

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19  Lets in more light  Show flowing movement  Caution image may be blurry!  1/60 of a second or less

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23  You select the F-Stop, the Aperture, the camera selects the Shutter Speed

24  The bigger the number the smaller the Aperture.  The smaller the Aperture, the less light into the camera.  The smaller the Aperture, the greater the depth of field.

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26  You select the F-Stop, the Aperture, the camera selects the Shutter Speed  The Smaller the number the bigger the Aperture.  The bigger the Aperture, the more light into the camera.  The bigger the Aperture, less depth of field.

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28  Small aperture  Less light  Deep depth of field  Large aperture  More light  Shallow depth of field

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30  Small Aperture  less light  Deep depth of field

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32  Large Aperture  Lots of light  Shallow depth of field

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35  Get a suggested correct settings  Decide what effect you want for the image  Make adjustments to the exposure settings

36  Freeze motion with fast shutter  Blur motion with slow shutter  Deep depth with a small aperture  Shallow depth with a large aperture


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