Canon 70d W User Manual

141
This function reduces the noise generated in the image. Although noise 
reduction is applied at all  ISO speeds, it is particularly effective at high 
ISO speeds. At low ISO speeds, the noise in the darker parts of the 
image (shadow areas) is further reduced.
1Select [High ISO speed NR].
  Under the [ z4] tab, select [High ISO 
speed NR ], then press < 0>.
2Set the level.
  Select the desired noise reduction 
level, then press < 0>.
  M: Multi Shot Noise Reduction
This applies noise reduction with...

3 Setting Noise Reduction N
142
Cautions for Setting Mult i Shot Noise Reduction
  If there is significant misalignment in  the image due to camera shake, the 
noise reduction effect may be minimal.
  If you are handholding the camera, ke ep it steady to prevent camera 
shake. Using a trip od is recommended.
  If you shoot a moving subject, th e subject’s movement may leave 
afterimages or the surrounding area  of the subject may become dark.
  The image alignment may not function  properly with...

143
3 Setting Noise Reduction N
Noise reduction is possible with images exposed for 1 sec. or longer.
1Select [Long exp. noise 
reduction].
 Under the [ z4] tab, select [Long 
exp. noise reduction ], then press 
< 0 >.
2Set the desired setting.
  Select the desired setting, then press 
.
  Auto
For exposures of 1 sec. or longer, noise reduction is performed 
automatically if noise typical of  long exposures is detected. This 
[Auto] setting is effective in most cases.
  Enable
Noise reduction is...

3 Setting Noise Reduction N
144
 With [ Auto] and [ Enable ], the noise reduction process after the picture is 
taken may take the same amount of time as that for the exposure. 
Shooting is disabled when noise reduction is performed.
  Images taken at ISO 1600 or higher may look grainier with the [ Enable] 
setting than with the [ Disable] or [Auto ] setting.
COPY  

145
You can minimize overexposed highlight areas.
1Select [Highlight tone priority].
 Under the [ z4] tab, select 
[Highlight tone priority ], then press 
< 0 >.
2Select [Enable].
  Select [Enable ], then press .
  Highlight details are improved. The 
dynamic range is expanded from the 
standard 18% gray to bright 
highlights. The gradation between the 
grays and highlights becomes 
smoother.
3Take the picture.
 The image will be recorded with 
highlight tone priority applied.
3  Highlight Tone Priority...

146
Peripheral light fall-off is a phenomenon that makes the image corners 
look darker due to the lens characteri stics. Color fringing along subject 
outlines is called chromatic aberra tion. Both lens aberrations can be 
corrected. The default settings are [ Enable] for both corrections.
1Select [Lens aberration 
correction].
 Under the [ z2] tab, select [Lens 
aberration correction ], then press 
< 0 >.
2Select the setting.
  Check that [ Correction data 
available ] is displayed for the 
attached...

147
3 Lens Peripheral Illumination / Chromatic Aberration Correction
1Select the setting.
 Check that [ Correction data 
available ] is displayed for the 
attached lens.
  Select [Chromatic aberration ], then 
press < 0>.
  Select [Enable ], then press .
  If [Correction data not available] is 
displayed, see “Lens Correction Data” 
on the next page.
2Take the picture.
  The image will be recorded with the 
chromatic aberration corrected.
Chromatic Aberration Correction
If you play back a  1 image shot...

3 Lens Peripheral Illumination / Chromatic Aberration Correction
148
The camera already contains lens  peripheral illumination correction 
data and chromatic aberration correction data for approx. 25 lenses. If 
you select [ Enable], the peripheral illumination correction and 
chromatic aberration correction will be applied automatically for any 
lens whose correction data is registered in the camera.
With EOS Utility (provided software),  you can check which lenses have 
their correction data registered...

149
You can freely create and select the folder where the captured images 
are to be saved.
This operation is optional since a fo lder will be created automatically for 
saving captured images.
1Select [Select folder].
 Under the [ 51] tab, select [ Select 
folder ], then press < 0>.
2Select [Create folder].
  Select [Create folder ], then press 
< 0 >.
3Create a new folder.
  Select [OK ], then press < 0>.
X A new folder with the folder number 
increased by one is created.
3  Creating and Selecting a...

3 Creating and Selecting a Folder
150
 With the folder selection screen 
displayed, select a folder and press 
.
X The folder where the captured 
images will be saved is selected.
  Subsequent captured images will be 
recorded into the selected folder.
Selecting a Folder
Number of images in folder
Folder name
Lowest file number
Highest file number
Folders
As with “ 100CANON ” for example, the folder name  starts with three digits 
(the folder number) followed by five  alphanumeric characters. A folder...