1. History of Photography
The Pinhole Camera

2. Pinhole Camera can be created using any type of light proof container

4. The hole lets light in much like the pupil in a eye.

5. History of Photography
The history of photography starts with the camera obscura. The pinhole camera is an example of the camera obscura. It was used as a drawing tool for many Western artists in the 16th century.

6. What is the Camera Obscura
Camera = Latin for “room”
Obscura = Latin for “dark”
Go into a very dark room on a bright day. Make a small hole in a window cover and look at the opposite wall. What do you see? Magic! There in full color and movement will be the world outside the window — upside down! This magic is explained by a simple law of the physical world. Light travels in a straight line and when some of the rays reflected from a bright subject pass through a small hole in thin material they do not scatter but cross and reform as an upside down image on a flat surface held parallel to the hole. This law of optics was known in ancient times.
The earliest mention of this type of device was by the Chinese philosopher Mo-Ti (5th century BC). He formally recorded the creation of an inverted image formed by light rays passing through a pinhole into a darkened room. He called this darkened room a "collecting place" or the "locked treasure room."
Aristotle ( BC) understood the optical principle of the camera obscura. He viewed the crescent shape of a partially eclipsed sun projected on the ground through the holes in a sieve, and the gaps between leaves of a plane tree.
The Islamic scholar and scientist Alhazen (Abu Ali al-Hasan Ibn al-Haitham) (c ) gave a full account of the principle including experiments with five lanterns outside a room with a small hole.
In 1490 Leonardo Da Vinci gave two clear descriptions of the camera obscura in his notebooks. Many of the first camera obscuras were large rooms like that illustrated by the Dutch scientist Reinerus Gemma-Frisius in 1544 for use in observing a solar eclipse.
Reference from Jack and Beverly Wilgus

7. Kodak eastman Part one of video- The wizard of Photography
Watch studio portrait scene than…
Move to 3:20 to see photographers coating glass plates. Stop at 6min. Dry plates 10:18
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8. Wet vs. Dry Negative Plates
Wet Glass Plate
Dry Plate
Longer storage life, easy for travel, develop
when you are back at your darkroom studio.
Photographer needed a traveling darkroom,
negative was made when the artist was going to create
the image only.