Chapter 4

Question 0

Auxiliary Lens

Answer 0

optical device that alters the focal length of the primary lens for close up telephoto or other special effects photography

Question 1

Aperture Priority

Answer 1

Setting that allows you to set the aperture while the camera adjust the shutter speed

Question 2

Crank

Answer 2

Part of the mechanical film advancement system that activates the shutter cocking lever when the film is advanced

Question 3

Curtain

Answer 3

The fabric or metal stretched between two spools in front of the film

Question 4

Depth of Field Preview

Answer 4

The range of distance in which everything appears in sharp focus

Question 5

Film Advance

Answer 5

The system used to move unused film into position to receive an exposure

Question 6

Filter

Answer 6

A transparent optical device which alters the quality of light passing through the lens. Usually a specific type if light is blocked

Question 7

Focal Plane Shutter

Answer 7

A camera’s shutter system consisting of sliding curtains. It is positioned in front of the film

Question 8

Frame Counter

Answer 8

Device that counts the number of exposures taken or remaining

Question 9

Iris/Leaf Shutter

Answer 9

A cameras shutter system consisting of an overlapping of metal sheets. It works like a light proof aperture

Question 10

Parallax

Answer 10

The difference in images seen by the camera’s viewfinder and the lens

Question 11

Pentaprism

Answer 11

A five wider mirrored prism which allows the same lens tone used for viewing, focusing, and taking an image

Question 12

Shutter Cocking Lever

Answer 12

The devise that resets the shutter in order to take the next exposure

Question 13

Shutter Priority

Answer 13

A camera setting that allows you to set the shutter speed while the camera sets the aperture

Question 14

Shutter Release

Answer 14

A button or leaver that opens the shutter and exposes the film

Question 15

SLR

Answer 15

A single lens reflects camera. Uses a pentaprism.

Question 16

Supply spool

Answer 16

Spool that holds the unexposed the film

Question 17

Take-up Spool

Answer 17

Spool that hold the exposed film

Question 18

What is a camera?

Answer 18

A light tight box made to expose light sensitive material.

Question 19

How does a camera take a photograph?

Answer 19

Light sensitive material is exposed through a light focusing lens by a controlled amount of light via the diaphragm (aperture) for a controlled duration (shutter).

Question 20

What are the two types of shutters and how do they differ?

Answer 20

a. Leaf or Iris – uses overlapping plates which open and close like an aperture
b. Focal plane – uses one or two curtains made of metal or fabric. The curtains have windows that move between spools. When the window is moved in front of the film an exposure is made. SLR’s use this type of shutter.

Question 21

What do the numbers 60, 125, 250, and 500 on the shutter speed dial signify?

Answer 21

Fraction of a second that indicates the length of an exposure.

Question 22

What shutter speed, or faster, must be used when holding a camera by hand? Why?

Answer 22

a. 60

b. Slower shutter speeds result in camera shake and result in blurry images.