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How A Camera Works

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

Which of the following best describes how a camera records a:
a.
Patterns are recorded through a series of pixelation techniques known as cathodes recorded electronically to a transistor board.
c.
Chemicals are used to react to light sensitive material and thus burn the image into the surface.
b.
A lens sends out a beam of light that reflects off a surface back at the camera recording the reflection.
d.
A lens directs light onto a surface which senses the pattern formed by the differences in brightness and colour.
 

 2. 

Both the human eye and a lens:
a.
record optic sound in wi-fi format.
c.
turn the light pattern rightside up as it passes through.
b.
turn the light pattern upside down as it passes through.
d.
have 50mm lens that are interchangeable.
 

 3. 

An 8 millimeter movie camera typically shoots in how many frames?
a.
12 frames per second
c.
24 frames per second
b.
30 frames per second
d.
18 frames per second
 

 4. 

Sixteen and Thirty-Five millimeter movie cameras shoot in how many frames:
a.
18 frames per second
c.
30 frames per second
b.
24 frames per second
d.
60 frames per second shooter platform
 

 5. 

Recording images in many digital video cameras is accomplish through:
a.
CCD board
c.
USB
b.
Acetate film
d.
ISO 100 film
 

 6. 

A CCD contains:
a.
Canadian Characture Department
c.
thousands of tiny light-sensitve areas called pixels.
b.
Aperture information needed to record an image.
d.
CMOS board settings
 

 7. 

Seeing multiple still images in succession gives the illusion of:
a.
f stop
c.
frames per minute
b.
theatrical illusion
d.
persistence of vision
 

 8. 

What is exposure?
a.
International Standards Organization (ISO)
c.
Tungsten-Incandescent lighting conditions
b.
the amount of light that comes through the lens and hits the film or CCD chip
d.
A camera control device that looks after shutter speed
 

 9. 

Aperture refers to:
a.
the area in front of your camera where everything looks sharp and in focus.
c.
refers to the shuttle speed of the camera.
b.
the hole in the center of the lens that the light travels through.
d.
the proportional size and distance of an object in the lense.
 

 10. 

In f/stops terms, F/2 is ___ as big across as the lens is high:
a.
1/4
c.
3/4
b.
1/2
d.
equal
 

 11. 

Which of the following f/stops would you use in a dark room?
a.
f/2
c.
f/16
b.
f/8
d.
none of the above
 

 12. 

Each f/stop admits ____ as the one before.
a.
0.8
c.
1/4
b.
3/4
d.
1/2
 

 13. 

What is colour temperature?
a.
the amount of light that comes through the lens and hits the film or CCD chip.
c.
is a way to identify different colours of light sources.
b.
the pattern formed by all the sharp points of light taken together forming a clear, sharp image.
d.
the area in front of your camera where everything looks sharp and in focus.
 

 14. 

Which of the following colour temperatures would admit blues:
a.
1000 degrees Kelvin
c.
2000 degrees Kelvin
b.
8000 degrees Kelvin
d.
4000 degrees Kelvin
 

 15. 

What camera control will handle colour temperature?
a.
white balancing
c.
exposure
b.
aperture
d.
focus
 

 16. 

True ISO would only be used on what type of camera?
a.
CMOS
c.
Film
b.
DSLR
d.
CCD digital
 

 17. 

A lower ISO means that:
a.
the less sensitive and thus more light is required
c.
the greater the colour temperature
b.
the more sensitive and thus less light is required
d.
the lesser the colour temperature
 

 18. 

What is the difference between an incident light meter and a reflective light meter?
a.
there is no real difference between these two light meters.
c.
The incident light meter measures light at the point of what is being shot while the reflective light meter measures light from where the camera will be placed.
b.
The incident light meter measures white while the reflective light meter measures grey.
d.
the reflective light meter measures in Kelvin while the incident light meter measures in f/stop.
 

 19. 

To lighten up a very dark face, you would:
a.
close the exposure.
c.
change the white balance.
b.
open up the aperture.
d.
all the above.
 

 20. 

The lens on a wide angle is:
a.
same size as the normal lense
c.
shorter than the normal lense
b.
longer than the normal lense
d.
not related to the length of lense
 

 21. 

In an action shot where you want the movement to appear fast, what lense would you use?
a.
A Chuck Norris Special
c.
A normal lense
b.
a telephoto lense
d.
A wide angle lense
 

 22. 

How do you focus a camera with a zoom lens?
a.
open up the aperature, focus the camera, close the aperture.
c.
close the aperture, focus the lens, open the aperature.
b.
zoom all the way in, focus the lens, zoom out for final framing
d.
zoom all the way out, focus the lens, zoom in for final framing.
 

 23. 

What is depth of field?
a.
the area in front of your camera where everything looks sharp and in focus.
c.
the area behind the camera where everything looks sharp and in focus.
b.
the area around your camera that is in focus.
d.
the colour temperature used in the shot.
 

 24. 

As you close your aperture, your depth of field:
a.
increases
c.
stays the same
b.
decreases
d.
changes colour temperature
 

 25. 

What happens to the depth of field as your subject gets closer?
a.
it get's darker
c.
it decreases
b.
it increases
d.
it get's lighter
 

 26. 

In a low light setting, what f/stop would be better:
a.
f/1.4
c.
f/8
b.
f/2.8
d.
f/22
 

 27. 

What color temperature would a cold dingy day might have:
a.
8 degrees
c.
4000k
b.
2000k
d.
8000k
 

 28. 

What is a pentaprism used for in a camera?
a.
Used to focus the camera
c.
Creates an image in the viewfinder
b.
Releases the shutter button to take an image
d.
Controls the aperture in a camera
 

 29. 

What does the mirror do in your camera?
a.
Increases the amount of light in your camera
c.
Controls aperture
b.
Reflects the image into the pentaprism so you can see an image
d.
Controls shutter speed
 

 30. 

Why does the viewfinder stop showing an image when you press the shutter button?
a.
The mirror controlling the image for viewfinder moves out of the way so light an color can be recorded
c.
There is not enough power to drive the image to the viewfinder and the image sensor at the same time
b.
So the photographer is aware that an image is being recorded
d.
The viewfinder is blocked by the closing of the shutter
 

 31. 

Aperture works just like:
a.
very similar to shutter speed
c.
the flux capacitor
b.
just like ISO
d.
just like the iris of your eye
 

 32. 

If you choose a smaller aperture number like f/2:
a.
the image will be taken quicker
c.
the aperture will be bigger
b.
the aperture will be smaller
d.
the image will be taken slower
 

 33. 

What is the shutter in a camera?
a.
It is a mirror to reflect light into the viewfinder
c.
It is a whole in the lens that controls the amount of light getting into the camera
b.
It is a door that sits between the lens and the film or sensor in a camera
d.
It is used to protect the camera when not in use
 

 34. 

What is shutter speed measured in?
a.
f stops
c.
fractions of a second
b.
ISO sensitivity
d.
parsecs
 

 35. 

What ISO setting would be best for direct sunlight?
a.
100
c.
800
b.
400
d.
3200
 

 36. 

What format do we use for our films in film class?
a.
1080p at 24fps
c.
720p at 60fps
b.
4k at 30fps
d.
1440i at 29.97fps
 



 
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