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 higher image quality than [ High]. 
For a single photo, four shots ar e taken continuously and aligned 
and merged automatically in to a single JPEG image.
3Take the picture.
 The image will be recorded with noise 
reduction applied.
3  Setting Noise ReductionN
High ISO Speed Noise Reduction
COPY  
						

							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 repetitive patterns 
(lattice, stripes, etc.) or  flat, single-tone images.
  Recording the image to  the card will take longer than with normal 
shooting. During the proc essing of the images, “buSY” will be displayed 
in the viewfinder and on the LCD  panel and you cannot take another 
picture until the proc essing is completed.
  RAW images cannot be  selected. You cannot use AEB and WB 
bracketing. [ z4: Long exp. no ise reduction], [z4: Dust Delete 
Data ], [z 4: Multiple exposure ], and [z4: HDR Mode ] cannot be set. 
If any of these has already  been selected or set, [Multi Shot Noise 
Reduction ] cannot be set.
  Flash shooting is not possible. Th e AF-assist beam will be emitted 
according to the [ 8C.Fn II-5: AF-assi st beam firing] setting.
  You cannot set [ Multi Shot Noise Reduction ] for bulb exposures.
  If you turn off the power, change  the shooting mode to a Basic Zone 
mode or bulb, or switch to movie sh ooting, the setting will automatically 
switch to [ Standard].
  Direct printing is  not possible (p.346).
If you play back a  1 image with the camera or pr int an image directly, the 
effect of the high ISO speed noise re duction may look minimal. Check the 
noise reduction effect or print nois e-reduced images with Digital Photo 
Professional (provided  software, p.456).
COPY  
						

							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 performed for all  exposures of 1 sec. or longer. 
The [ Enable] setting can reduce noise that  cannot be detected with 
the [Auto ] setting.
3Take the picture.
 The image will be recorded with noise 
reduction applied.
Long Exposure Noise Reduction
COPY  
						

							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 N
 With [ Enable ], the Auto Lighting  Optimizer (p.140) is automatically set to 
[ Disable ] and the setting cannot be changed. When [ Highlight tone 
priority ] is set to [ Disable], the Auto Lighting Opti mizer will revert to its 
original setting.
  With [ Enable ], image noise (graininess and  banding, etc.) may increase 
slightly more than with [ Disable].
With [Enable ], the settable range will be  ISO 200 - ISO 12800 (up to ISO 
6400 for movies ). Also, the  icon will be displa yed in the viewfinder 
and on the LCD panel  when highlight tone priority is enabled.
COPY  
						

							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 lens.
  Select [Peripheral illumin. ], then 
press < 0>.
  Select [Enable ], then press .
  If [Correction data not available ] is 
displayed, see “Lens Correction Data” 
on page 148.
3Take the picture.
  The image will be recorded with the 
peripheral illumination corrected.
3 Lens Peripheral Illumination /  Chromatic Aberration Correction
Peripheral Illumination Correction
Depending on shooting conditions, noise may appear on th e image periphery.
 The correction amount applied will be lower than the maximum correction 
amount settable with Digital Photo Professional (provided software, p.456).
 The higher the ISO speed, the lowe r the correction amount will be.
COPY  
						

							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 with the chro matic aberration corrected, 
the image will be displayed on the ca mera without the chromatic aberration 
correction applied. Check the chromati c aberration correction with Digital 
Photo Professional (pro vided software, p.456).
COPY  
						

							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 in th e camera. You can also register the 
correction data for unregistered lenses. For details, refer to the EOS 
Utility Instruction Manual (p.459) on the Software Instruction Manual 
CD-ROM.
Notes for Peripheral I llumination Correction and Chromatic Aberration 
Correction
Lens Correction Data
  Peripheral illumination correction an d chromatic aberration correction 
cannot be applied to JP EG images already taken.
  When using a non-Canon lens, setting the corrections to [ Disable] is 
recommended, even if [ Correction data available] is displayed.
  If you use magnified vi ew during Live View shooting, the peripheral 
illumination correction a nd chromatic aberration co rrection will not be 
reflected in the image shown on the screen.
  If the effect of the correction is  not visible, magnify the image after 
shooting and check it again.
  Corrections can be app lied even when an Extender or Life-size 
Converter is attached.
  If the correction data for the attach ed lens is not registered to the 
camera, the result will be the same as when the correction is set to 
[ Disable ].
  If the lens does not have distance in formation, the correction amount will 
be lower.
COPY  
						

							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 Folder
Creating a Folder
COPY  
						

							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 can 
contain up to 9999 images (file nu mber 0001 - 9999). When a folder 
becomes full, a new folder with the  folder number increased by one is 
created automatically. Al so, if manual reset (p.152) is executed, a new 
folder will be created automatically. Folders numbered  from 100 to 999 can 
be created.
Creating Folders with a Computer
With the card open on the scre en, create a new folder named “ DCIM”. Open 
the DCIM folder and create as many  folders as necessary to save and 
organize your images . The folder name must follow the format 
“ 100ABC_D ”. The first three digits are the  folder number, from 100 to 999. 
The final five characters  can be any combination of  upper- and lower-case 
letters from A to Z, nume rals, and the underscore “_ ”. The space cannot be 
used. Also note that tw o folder names cannot sh are the same three-digit 
folder number (for example, “ 100ABC_D” and “100W_XYZ ”), even if the 
other five characters in  each name are different.
COPY