Photography Quiz 1

What is a camera?

a device that captures light and creates images. the lens bends light to create a focused image on the sensor.

How do you achieve proper exposure?

adjust the three elements of the "exposure triangle": aperture, shutter speed, and ISO based on the lighting conditions in your scene. when its at 0

What makes up the Exposure triangle?

ISO (top), Shutter Speed (bottom left), Exposure (bottom right)

What are the differences between aperture and the visual effects this has on an image.

Wider aperture (f/1.8) = shallow depth of field. Used in portraits

Closed aperture (f/16) = a lot is in focus. Used in landscape photography

What is depth of field?

the range of sharpness in a photograph, from the closest to the farthest objects in focus

The differences between slow and fast shutter speed and the visual effects this has on an image.

slow shutter speed (1/8) = motion blur

fast shutter speed (1/1000) = frozen image

Negative and Positives

A positive image is a normal image. A negative image is a total inversion, in which light areas appear dark and vice versa