9th Grade - Photography - Exposure Flash Cards
Depth of field
The area of a photograph from front to back that is in focus.
Aperture
The opening in the lens that allows light to pass through.
Shallow depth of field
A photograph containing a narrow area in which there is focus. The remaining parts of the photograph are blurry.
Deep depth of field
When all aspects of a photograph are in focus from front to back.
Aperture Priority
Mode on the camera in which you choose the aperture setting and the camera sets the shutter speed to give you a proper exposure.
f2.8
A number representing a large aperture opening. (shallow space is in focus=shallow depth of field)
f22
A number representing a small aperture opening. (deep space is in focus=deep depth of field)
Exposure
Refers to the total amount of light allowed to expose film or digital imaging sensor. It is controlled equally by f-stop, shutter speed, and film speed (ISO).
f-stop
a numerical representation of the diameter of a lens’ aperture.
Shutter speed
The amount of time the mechanical door (shutter) in a camera opens and closes to allow light to hit the film or digital-imaging sensor. Expressed as fractions of a second or as full seconds.
Film speed/ ISO
a number that represents a film’s or digital imaging chip’s relative sensitivity to light. Lower number=less sensitive; higher number=more sensitive.
What is the the goal of understanding aperture
Controlling what is clear and what isn’t around the subject you focused on
When would you use a narrow (small) aperture?
Landscape or cityscape pictures
When shooting a portrait using shallow depth of field, what is the most important area to focus on?
The eyes
The slowest shutter speed recommended for handholding your camera
1/60
Will 1/500 let in more or less light than 1/125?
less
Will f2.8 let in more or less light than f5.6?
more
What factors are needed for proper exposure
ISO (film speed), aperture (f-stop), shutter speed
The relationship between the shutter speed and aperture is like a ______________________________
seesaw
A higher aperture NUMBER lets LESS or MORE light into the lens?
less
Regarding shutter speeds, 1/1000 is one of the fastest shutter speeds, and therefore lets the least light during exposure: true or false?
true
A film speed of ISO 400 will allow how many more stops of light than ISO 200?
one
Your camera has a built in light meter that measures what?
reflected light
The lower the ISO number, the less sensitive the film is to light: true or false?
true
The right combination of ISO (film speed), shutter speed, and aperture (f-stop) result in what?
proper exposure
What determines how LONG light enters the camera lens and touches your film?
shutter speed
What determines how MUCH light enters the camera lens to touch your film?
aperture (f-stop)
Film with a higher ISO NUMBER is generally used for low-light situations because it is more sensitive to light, true or false?
true
Which of the following shutter speeds would stop motion the best? 1/500th or 1/60th?
1/500th
If your shutter speed is set at 1/250 second and the meter calls for an aperture of f11, what would the shutter speed be if you changed the aperture to f8?
1/500th of a second
Depth of field refers to how much of a scene is in focus in front of and behind the focal point. If depth of field increases with higher aperture numbers (f-stops), which of the following f-stops will give you the greatest depth of field? f4 or f16?
f16
Your shutter speed is set at 1/30th second and the meter calls for an aperture of f11, but you want to capture motion at 1/125th of a second. What would you aperture be to have a properly exposed photo?
f5.6
Shutter speeds slower than 1/60 second require and tripod and may be used to blur motion. Which of the following shutter speeds do you need a tripod for? 1/125th or 1/30th?
1/30th
