Unit 1 Flashcards
What does camera obscura mean?
Dark room
Light tight
What does the exposure triangle refer to?
Shutterspeed, ISO, and aperture
What does aperture control?
The amount of light allowed in the camera
What is a shutter in a camera?
Device in camera that opens and closes to expose the sensor or film to light for a measured length of time.
How is light sensitivity measured?
ISO = How light sensitivity is measured
What does a light meter determine?
Under or over exposure
What was camera obscura adapted to create?
The photographic camera
What was the physionotrace developed using?
A salt solution
What does a daguerreotype yield?
Direct positive, highly detailed, produces latent image
Who made the earliest known permanent photograph?
Joseph Nicephore Niepce
Who was Hippolyte Bayard and what did he create?
A French photographer who created his own direct positive process
What did William Henry fox-talbot invent?
Calotype (salt paper print)
Who discovered Hyposulphite of soda used in black and white photography development?
John Hershel
Discovered Hyposulphite of soda which is a chemical used today in the development process of black and white photography.
Which photographers experimented with Silver nitrate?
Thomas Wedgewood and Davy
Experimented with Silver nitrate.
Who invented the daguerreotype?
Louis Daguerre
Invented the daguerreotype.
Who invented the Heliograph photographic process?
Joseph Nicéphore Niepce
Invented the Heliograph photographic process.
What gives cyanotypes their distinctive blue color?
Iron salts
Cyanotypes get their distinctive blue color from iron salts.
Who invented the wet collodion process?
Frederick Scott Archer
Invented the wet collodion process.
What does the Albumen print emulsion contain?
Egg whites
The Albumen print emulsion contains egg whites.
Who was commissioned to create photographs of enslaved Africans that perpetuated racist stereotypes?
J.T. Zealy
Commissioned by Louis Agassiz to create photographs of enslaved Africans that perpetuated racist stereotypes.
Who staged the photograph ‘Use of Ether for Anesthesia (1847)’?
Southworth and Hawes
Staged the photograph ‘Use of Ether for Anesthesia (1847)’ in which a dentist administers ether to a patient for surgery.
Who used photographs of mental patients as part of their therapy?
Hugh Welch Diamond
Was an active amateur photographer who used photographs of mental patients as part of their therapy.
What is combination printing?
An image created by two or more negatives.
Example: Combining multiple negatives to create a single image.
What did the Historic Monuments commission prefer for Architectural Photographs?
They preferred the softer details of the calotype over the cold metallic tones of the daguerreotype.
Example: Choosing calotype for architectural photographs.