Photo 1 Midterm

What is the negative to positive process?

Lght creates an inverted image. The negative is then exposed to light onto another light-sensitive material to reverse the tones back to a positive.

What are some of the great things it brought to our country?

Mass production and reproducibility.

What is a camera obscura?

A dark box with a hole in it to allow light in.

What is an aperture?

The tiny hole in a camera where light enters.

How do you recognize the aperture when working the setting on your camera?

Aperture is represented on a camera by an f-number aka f-stop. E.g f/2.8

What is the largest f-stop when focal length is set to 55mm?

The largest f-stop is f/5.6

How do you recognize the shutter?

The shutter speed is displayed as a fraction of a second. E.g 1/250

What shutter speeds avoid camera shake?

Your shutter speed should be at least one over your focal length. E.g at 55mm use 1/60 or higher.

What happens when you set the ISO?

The ISO adjusts the camera's light sensitivity.

Wgat are the three modes used in class and wgat do they control on your camera?

Aperture Priority, shutter priority, and manual. (Av, Tv, and M)

Joseph Niepce

Louis Daguerre