Daguerreotype Camera — 1839 — source
First commercially manufactured camera. A glass pane was inserted and adjusted to focus, then a photosensitive screen is inserted and exposed to create an image. At the time, these screens required long exposures to properly capture its subject.
Kodak Brownie No.2 Model F — 1924 — source
As film improved, allowing for pictures to be taken at much shorter exposure times, Cameras started to become much more lightweight and portable.
Nikon F — 1959 — source
SLR cameras used one lense in the front and a prism of mirrors to both view the image and expose film. With a smaller size, and removable lenses, its body starts to resemble the look of modern DSLR and point & shoot cameras.
Nikon D1 — 1999 — source
DSLR cameras, like SLR cameras, use a single lense for both viewing and capturing a photo, however using a photo sensor instead of film.
iPhone 1st Generation — 2007 — source
The development of significantly smaller CMOS sensors has permitted cameras to appear on portable, multifunction devices such as smartphones.