Education About Photography Presentation Template
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5. LENS
DEFINITION
There is a special piece of glass in front of the hole called a lens.To take
a photograph of something,the lens makes a small picture of the object
inside the camera.
A lens in a camera works like:
Spectacles
Magnifying Glass
7. A magnifying glass is a lens through which can be used to make things appear bigger, so you
can see them better. It is used in many applications and manual operations,for examining
postage stamps in philately.
MAGNIFYING
GLASS
8. ONE TYPE
OF CAMERA
One type of camera called the Pinhole
camera, it has no lens but uses a very
small hole to focus light.
W W W . F O T O Z A . C O M
10. SHUTTER
DEFINITION
To make a photograph with a camera,the shutter release button should be
pressed.Pressing the button opens the shutter.The shutter is like a door,
when the shutter is closed no light can enter the camera box.When the
shutter is open light can enter the camera.
16. FILM PROCESSING
Once the film has been exposed it is processed. Processing has to be done
in total darkness or the film will be exposed too much and the picture will
be lost. Processing stops the film reacting to light any more. After the film
has been processed the picture can be seen on the film.
17. PHOTOGRAPHIC PRINT
A photographic print is a photograph made on paper.Alight sensitive paper is used.The picture on the film is placed in an enlarger.
An enlarger is a machine that shines light through the film and makes a bigger picture on the light sensitive paper.
19. DIGITAL CAMERA
A digital camera does not use photographic film to
record a picture. Digital photographs are stored in
storage devices such as SD cards.
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20. SD CARD
DEFINITION
A Secure Digital card (SD card) is a kind of memory
card. Such cards are often used to store images or
data in digital cameras.
21. TAKINGAPHOTOGRAPH
One of the most important things when
taking a photograph is focusing the lens.
If the lens is not focused well,the
photograph will be blurry.
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23. THREE OTHER THINGS ARE IMPORTANT
WHEN TAKING A PICTURE
The Shutter Speed The Aperture The Film Speed
24. WHAT IS THE
SHUTTER SPEED?
How long the shutter is open for.This is
written in the form "1/400,"or one four-
hundredth of a second.
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25. How big the aperture in the lens opens.This changes how much light is let in.This is written in the
form "f/5.6," which describes the ratio between focal length and the size of the aperture opening.
THE
APERTURE?WHAT IS
26. THE FILM SPEED
How quickly the film/sensor records the
picture.This is also called ISO,and is written
in the form "400."
27. HOW TO TAKE
A GOOD PICTURE
A slower shutter speed, a bigger aperture, and faster film/higher ISO sensor all make a brighter picture. A faster shutter speed, a smaller
aperture, and a slower film/lower ISO sensor all make a darker picture. A good picture is not too bright and not too dark. When it is too
bright it would s called "overexposed".
28. OVEREXPOSED
A photograph may be described as overexposed when it has a
loss of highlight detail,when important bright parts of an image
are "washed out" or effectively all white,known as "blown-out
highlights" or "clipped whites".
W W W . F O T O Z A . C O M