April 29, 2004
Glossary-1
Glossary
AE (Automatic Exposure)
lock
Used to hold an automatically controlled shutter speed and/or aperture.
Recommended when you want to control an exposure based on a scene’s
particular brightness area with Center-Weighted or Spot Metering.
Continuous Servo AF
Focus detection continues as long as the shutter release button is lightly
pressed and the reflex mirror is in the viewing position. Useful when the
camera-to-subject distance is likely to change.
Depth of field
The zone of sharpest focus in front of, behind, and around the subject; can
be previewed.
Drive mode
Drive mode determines whether one or more images are captured when
you are pressing the Shutter Release button. There are two automatic Drive
modes: Single frame and Continuous shooting.
EV
(Exposure Value) A number representing the available combinations of
shutter speeds and apertures that give the same exposure effect under
conditions of similar scene brightness and ISO.
At ISO 100, the combination of a one-second shutter speed and an aperture
of f/1.4 is defined as EV1.
You must use the camera only within the EV range of the exposure meter.
Exposure bracketing
Shooting the same subject using a range of different exposures. Your
camera provides Auto Exposure Bracketing/Flash Exposure Bracketing.
Auto Exposure Bracketing:
Auto Exposure Bracketing performs
automatic exposure bracketing with varied shutter speed and/or aperture.
Flash Exposure Bracketing:
Enables you to automatically bracket
exposures at varied flash output levels, in TTL auto flash shooting, without
changing the shutter speed and/or aperture.
