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54 Cards in this Set
- Front
- Back
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What magazine is famous for documentary photography?
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Life Magazine
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Who invented roll film?
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George Eastman
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Who is the father of American photography?
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Samuel Morse
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What did Herschel invent?
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Fixer
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What is the heart of photography?
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Light
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Who is the famous war photographer?
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Matthew Brady
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Define depth of field.
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The area in front of and behind the main subject which is in acceptable focus.
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List the ways the camera is compared to the human eye.
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-Shutter, lens, light sensitive area behind lens, device that controls light. The main difference between a camera and an eye is the eye is controlled by a brain.
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Define photogram.
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A record of light and shadow.
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What factors control depth of field?
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Distance from subject and f-stop
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Define exposure.
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Length of time light is allowed to enter the camera.
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What focusing method is the most common type of camera?
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Single-lens reflex
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How should portrait photographs be shot?
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Vertically
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What is the type of photograph where zone focus would be used?
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Sports photos
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When is a bounce flash used?
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To eliminate red eye.
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How long is fixer used on film?
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Ten minutes
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What are the two methods used to develop film?
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Tray and Tank
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Why do we not use the least common method?
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Tank requires total darkness.
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How long is developer used on film?
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It depends on the temperature of the chemical- the warmer the developer, the less time you develop.
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How should you care for developed negatives?
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Cut into strips of 4-5 negatives and put into a protective envelope.
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What is the film speed for Tri-X and TMAX film?
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400
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How does lighting affect film speed?
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The higher the film speed, the less light you need
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How is film speed measured?
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ASA
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How does sunlight affect contrast?
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Brighter sun=higher contrast
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What is the paper developer most commonly used?
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DEKTOL
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What is the first chemical used after developer in printing?
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Stop bath
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How do we keep pollution out of the printing chemicals?
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Rinse between every step.
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How long does a print wash?
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10 minutes
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What is the final chemical used in printing?
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Fixer
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How does developer work?
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It dissolves silver from the film.
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How long is print left in fixer?
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Four minutes.
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How long does paper stay in the stop bath?
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5-10 seconds
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What is the first layer of film?
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Top coat
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What is the second layer of film?
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Emulsion
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What is the third layer of film?
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Subbing
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What is the fourth layer of film?
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Base
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What is the fifth layer of film?
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Backing
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What is the purpose of the first layer of film?
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Protective layer, made of gelatin, protects emulsion from scratches
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What is the purpose of the second layer of film?
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Where image is formed
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What is the purpose of the third layer of film?
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Holds emulsion to base
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What is the purpose of the fourth layer of film?
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Support layer of film
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What is the purpose of the fifth layer of film?
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Keep image from reflecting off back of camera
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What is the main ingredient in the third layer of film?
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Egg whites
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Why did they have to change the substance from early photography?
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The material would burn
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Which two layers dissolve during developing?
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Top coat and backing
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What are the three classifications of filters?
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TBA
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What is the purpose of the polarizing filter?
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TBA
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What happens to film if you let it go through an X-Ray machine?
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It fogs up.
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What should you protect film from?
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Scratches and dust.
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What is grain in film?
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An optical effect that looks pixely and blurry.
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How does a grainy print appear?
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Pixelly and blurry.
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What is a filter?
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Filters can affect contrast, sharpness, highlight flare, color, and light intensity. They can also create special effects.
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What is the purpose of a correction filter?
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To fix the color.
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What is the difference in panchromatic film and orthochromatic film?
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Panchromatic film is sensitive to all color, while orthographic is sensitive to only the color red.
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