Subjects Covered by Exam#2 in Holography and Photography
List the four main components of a camera and briefly describe their function.
Explain what the depth of focus of a camera is.
Explain what the depth of field of a camera is.
What is the angle of view of a camera?
List the properties or characteristics of a telephoto lens.
List the properties or characteristics of a wide angle lens.
What is meant by the f -number? Is it a property of the camera (as a whole), lens or film?
What is the purpose of the antihalation backing on film?
Briefly describe the processes involved in chemical development.
List and briefly describe the three properties that determine color.
Is white light a saturated color or not? Explain why.
Is color made only by reflection and absorption on a surface? Explain why.
Where does most of the bending of light rays occur in the human eye?
What is accommodation?
What is the function of the iris?
What is the function of the lens?
What are the two light sensors called in the retina? Describe the difference between the two.
What is the near point?
What is the far point?
What is myopia and how is it corrected?
What is hyperopia and how is it corrected?
Describe how a simple magnifier works. Is the image real or virtual?

Describe how a microscope works.
Describe the difference between a refracting telescope and a reflecting telescope.