TECHNICAL TERMS  -  B
BACKLIGHT
  • When the light is coming from behind the subject.
​BACKGROUND
  • The part of the picture behind the subject.
​BLUR
  • Un-sharp image area caused by the camera
  • The subject was moving
  • Inaccurate focusing
  • The use of an aperture that gives shallow depth of field.
​BULB (B) SETTING
  • Shutter setting found on many cameras.
  • This holds the shutter open for as long as the release is depressed.
  • Used manually timed exposure that are longer than the longest automatic timed setting available.
​BURNING-IN
Photographic printing term used to indicate those parts of an image that would benefit from extra exposure.  arts of the image not requiring burning-in have to be shaded from the enlarger light during this process.