Font size
WorksheetsAperture and Focal Length
Total questions: 15
Worksheet time: 8mins
Aperture is
The "iris" of the camera. It controls how much light is let in.
Controls how long the shutter is open.
The sensor that captures light.
The sensitivity of the sensor.
Which mode allows you to control aperture, but lets the camera control everything else?
M
Av
Tv
P
How do you change the aperture while in Av mode?
Press menu > aperture
Use the adjustment wheel
Use the mode wheel
Half-press the shutter
Why might you want to use Av mode?
To control the blurriness of the background.
To make the subject appear closer.
To freeze or show motion.
To have control over all settings.
How can you tell if a photo was taken with a wide aperture?
The background is blurry.
The background is sharp.
Was this image taken with a wide or narrow aperture?
Wide
Narrow
Was this image taken with a wide or narrow aperture?
Wide
Narrow
Guess the Aperture
F5.6
F36
Guess the Aperture
F5.6
F1.4
You are hired to take a landscape photo of El Capitan in Yosemite. What aperture do you use?
F1.4
F5.6
F16
F36
You are hired to take a professional headshot portrait of our principal, Mr. Jolly. The portrait will be taken on campus, but the background doesn't matter. Which f-stop do you use?
F5.6
F16
F22
F36
What is focal length?
The point in the lens at which light converges.
The length of the lens.
The measurement of the aperture.
The width of the image.
The longer the focal length
The blurrier the background
The sharper the background
To get a blurry background, you must
Use a wide aperture
Use a narrow aperture
Use a long focal length
Use a short focal length
To get a blurry background, your subject must be
Close to the background
Far from the background
