The History of Photography

What is the primary characteristic of the image projected by a camera obscura?

• It is always in color.

• It is projected upside down and reversed.

• It requires a complex lens system to function.

• It can only capture still images.

What chemical is used to develop the invisible image on a Daguerreotype plate after exposure?

• Iodine

• Nitric acid

• Mercury fumes

• Hypo

What chemical did Talbot use to make his "Photogenic Drawings" less sensitive to light?

• Silver nitrate

• Silver iodide

• Stronger salt water solution

• Gallic acid

Are you enjoying the video lesson?

• Yes

• No

What was a primary advantage of the gelatin silver process compared to earlier photographic methods?

• It allowed for the creation of color photographs.

• It required fewer chemicals and less expensive equipment.

• It combined the coating and sensitizing steps into a single emulsion.

• It produced images with a distinct artistic, soft-focus effect.

Who invented the first truly digital camera?

• Jim McGarvey

• Steven Sasson

• Leopold Godowski

• Frederic Eugene Ives