Image contains noise, White dots appear on the image, Eyes appear red – Canon A470 User Manual

Page 137

135

Tr
oub

lesh

oot

Image contains noise.

ISO speed is too high.

z Higher ISO speeds and

(High ISO

Auto) setting may increase image
noise. For higher image quality, use
as low an ISO speed as possible

(p. 81)

z In the

mode, the

ISO speed increases and noise can
appear.

White dots appear on the image.

Light from the flash has
reflected off dust particles or
insects in the air. This is
particularly noticeable when
shooting using the wide
angle.

z This is a phenomenon that occurs

with digital cameras and does not
constitute a malfunction.

Eyes appear red.

Light is reflected back from
the eyes when the flash is
used in dark areas.

z Shoot with [Red-Eye Lamp] in the

[Flash Settings] set to [On]

(p. 70)

For this mode to be effective, the
subject must be looking right at the
red-eye reduction lamp. Try asking
them to look directly at the lamp.
Even better results can be obtained
by increasing the lighting in indoor
settings or approaching closer to the
subject. The shutter will not activate
for approximately 1 second after the
red-eye reduction lamp fires in order
to improve the effect.

z If you set the [Red Eye Corr.] in the

[Flash Settings] to [On], the camera
will automatically correct red eyes
while shooting and record the image
to the memory card

(p. 70)

z You can correct red eyes in images

using the [Red-Eye Correction]
function in the

(p. 105)