Apple Aperture Digital Photography Fundamentals - Manual (Page 11)

Chapter 1 How Digital Cameras Capture Images 11
Camera Components and Concepts
The basic components of a DSLR are described below. (Most of the components in a
rangefinder are also found in a DSLR.)
 Lens
 Aperture
 Shutter
 Digital image sensor
 Memory card
 External flash
Lens
A lens is a series of sophisticated elements, usually glass, constructed to refract and
focus the reflective light from a scene at a specific point—the digital image sensor.
Beyond framing an image, the first interaction you have with the reflective light from
your subject is through your camera’s lens.
Light source
Lens Digital image sensor
LCD display
Reflective
light
Viewfinder