What is white balance, Auto white balance, Subjects not suitable for auto white balance 42-a – Canon E 250 User Manual
Page 54: White balance lock, White balance, Subjects not suitable for auto white balance
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
White Balance
(CAMERA Mode)
What is White Balance?
The human eye can perceive a white
object as white, regardless of the lighting
conditions. With video cameras, ho>^ver,
the colour temperature of the light source
may cause the colour of the recorded
picture to be different from the actual
colour. White balarrce is the adjustment
made, when recording, to obtain natural
whites and colours under a variety of light
sources. The camera has 2 systems for
white balance acQustment auto arxl lock.
Explanation:
Colour temperature, measured in degrees
Kelvin (K), indicates the relative redness or
blueness of a light source and is not directly
related to brightness. A light source with a red
cast has a low colour temperature, whereas a
bluish light source has a higher colour
temperature.
Colour Temperature Chart
Bluish
Cast
White
Reddish
Cast
10,000 K
9.000 K
8.000 K
7.000 K
6.000 K
5.000 K
4.000 K
3.000 K
2.000 K
1,500 K
* Blue sl^
* Scene on TV screen
* Cloudy sky
* Sunlight
* White fluorescent light
* 2 hours after sunrise or
before sunset
* 1 hour after sunrise or
before sunset
* Electric halogen light
* 30 minutes after sunrise
or before sunset
* White electric light bulb
* Sunrise, sunset
* Candlelight
42
Auto White Balance
Auto white balance is set automatically when
camera is turned on, to make white balance
adjustment for normal indoor and outdoor
conditions.
Subjects Not Suitable for Auto
White Balance
42-
a
Auto white balance may not work well in the
following instances, and white balance lock will
probably give you better results:
• Subject with one dominant colour, such as
sky, sea or forest.
• Subject for a macro recording, such as a
close-up of a flower.
White Balance Lock
Use white balance lock when you shoot
subjects not suitable for auto white balance.
• Whrte balance lock also works without using a
white object (see p.43). Set the power zoom
to wide-angle end and press AWB/LOCK
button to adjust for the scene. However, this
is not suitable for scenes with one dominant
colour or for macro recording.
Notes:
o WWte balance lock clears aulomaticalty when in PLAY mode or Ihe camera is turned off.
» Reset white balance again if the light source changes during white balance lock.
• Use white balance lock even under normal lighting conditions to achieve a rrwre precise colour balance.