To ensure the best performance from your camera, please
read the Operating Manual before using the camera.
ENG
Thank you for purchasing this PENTAX Digital Camera.
Please read this manual before using the camera in order to get the most
out of all the features and functions. Keep this manual safe, as it can be
a valuable tool in helping you to understand all the camera’s capabilities.
Regarding copyrights
Images taken with the PENTAX Digital Camera that are for anything other than
personal enjoyment cannot be used without permission according to the rights as
specified in the Copyright Act. Please take care, as there are cases where
limitations are placed on taking pictures even for personal enjoyment during
demonstrations, performances or of items on display. Images taken with the
purpose of obtaining copyrights also cannot be used outside the scope of use of
the copyright as laid out in the Copyright Act, and care should be taken here also.
Regarding trademarks
• PENTAX and Optio are trademarks of HOYA CORPORATION.
• SDHC logo is a trademark of SD-3C, LLC.
• ArcS oft, and its logo are either the registered trademark or trademark of ArcSoft
Inc. in the United States and/or other countries.
• Microsoft and Windows are registered trademarks of Microsoft Corporation in
the United States and other countries. Windows Vista is either a registered
trademark or trademark of Microsoft Corporation in the United States and/or
other countries.
• Macintosh and Mac OS are trademarks of Apple Inc., registered in the U.S. and
other countries.
• This product supports PRINT Image Matching III. PRINT Image Matching
enabled digital still cameras, printers and software help photographers to
produce images more faithful to their intentions. Some functions are not
available on printers that are not PRINT Image Matching III compliant.
Copyright 2001 Seiko Epson Corporation. All Rights Reserved.
PRINT Image Matching is a trademark of Seiko Epson Corporation. The PRINT
Image Matching logo is a trademark of Seiko Epson Corporation.
• Eye-Fi, the Eye-Fi logo and Eye-Fi connected are trademarks of Eye-Fi, Inc.
• All other brands or product names are trademarks or registered trademarks of
their respective companies. In this manual, the ™ and ® marks are not
specified.
Regarding Product Registration
In order to better serve you, we request that you complete the product
registration, which can be found on the CD-ROM supplied with the camera or the
PENTAX website. Thank you for your cooperation.
Refer to “Connecting to a Computer” (p.205) for more information.
To users of this camera
• Do not use or store this device in the vicinity of equipment that generates strong
electromagnetic radiation or magnetic fields.
Strong static charges or the magnetic fields produced by equipment such as
radio transmitters could interfere with the monitor, damage the stored data, or
affect the product’s internal circuitry and cause camera misoperation.
• The liquid crystal panel used for the display is manufactured using extremely
high precision technology. Although the level of functioning pixels is 99.99% or
better, you should be aware that 0.01% or fewer of the pixels may not illuminate
or may illuminate when they should not. However, this has no effect on the
recorded image.
• If you point the camera toward an object that is bright, a band of light may
appear on the screen display. This phenomenon is referred to as “smear” and
is not a malfunction of the camera.
• There is a possibility that the illustrations and the display screen in this manual
are different from the actual product.
• In this manual, both an SD Memory Card and an SDHC Memory Card are
referred to as SD Memory Cards hereafter.
• In this manual, the generic term “computer(s)” refers to either a Windows PC or
a Macintosh hereafter.
• In this manual, the term “battery(ies)” refers to any type of batteries used for this
camera and its accessories.
Using Your Camera Safely
We have paid close attention to the safety of this product. When using
this product, we request your special attention regarding items marked
with the following symbols.
Warning
Caution
This symbol indicates that violating this item could
cause serious personal injuries.
This symbol indicates that violating this item could
cause minor or medium personal injuries, or loss of
property.
1
About the Camera
Warning
• Do not disassemble or modify the camera. High voltage areas are present
inside the camera, with the risk of electric shock.
• If the camera interior is exposed due to dropping or otherwise damaging
the camera, never touch the exposed portion. There is a risk of electric
shock.
• Wrapping the strap around your neck is dangerous. Take care that small
children do not hang the strap around their necks.
• If any irregularities occur during use, such as smoke or a strange odor, stop
use immediately, remove the battery or the AC adapter, and contact your
nearest PENTAX Service Center. Continuing to use the product can cause
a fire or electric shock.
Caution
• Do not place your finger over the flash when discharging the flash. You
may burn yourself.
• Do not cover the flash with clothing when discharging the flash.
Discoloration may occur.
• Some portions of the camera heat up during use. There is a risk of low
temperature burns when holding such portions for long periods.
• Should the monitor be damaged, be careful of glass fragments. Also, be
careful not to allow the liquid crystal to get on your skin, in your eyes or
mouth.
• Depending on your individual factors or physical condition, the use of the
camera may cause itching, rashes or blisters. In case of any abnormality,
stop using the camera and get medical attention immediately.
About the Battery Charger and the AC Adapter
Warning
• Always use the battery charger and AC adapter exclusively developed for
this product, with the specified power and voltage. Using a battery charger
or AC adapter not exclusive to this product, or using the exclusive battery
charger or AC adapter with an unspecified power or voltage can cause a
fire, electric shock, or camera breakdown. The specified voltage is 100 240V AC.
2
• Do not disassemble or modify the product. This can cause a fire or electric
shock.
• If the generation of smoke or strange odor from the product or other
abnormality occurs, immediately discontinue use and consult a PENTAX
Service Center. Continuing to use the product can cause a fire or electric
shock.
• If water should happen to get inside the product, consult a PENTAX
Service Center. Continuing to use the product can cause a fire or electric
shock.
• If a thunder storm should occur while using the battery charger and AC
plug cord, unplug the AC plug cord and discontinue use. Continuing to use
the product can cause damage to the equipment, fire, or electric shock.
• Wipe off the plug of the AC plug cord if it becomes covered with dust. Dust
on the plug may cause a fire.
Caution
• Do not place or drop heavy objects on or forcefully bend the AC plug cord.
Doing so may damage the cord. Should the AC plug cord be damaged,
consult a PENTAX Service Center.
• Do not touch or short-circuit the terminal area of the AC plug cord while the
cord is plugged in.
• Do not plug or unplug the power cord with wet hands. This can cause an
electric shock.
• Do not drop the product, or subject it to violent impact. This can cause
equipment breakdown.
• Do not use the battery charger to charge a battery other than a
rechargeable lithium-ion battery D-LI92. Attempting to charge other types
of batteries may cause an explosion, or heating, or may damage the
battery charger.
• To reduce the risk of hazards, use only a CSA/UL certified power supply
cord set, cord is Type SPT-2 or heavier, minimum NO.18 AWG copper,
one end with a molded-on male attachment plug cap (with a specified
NEMA configuration), and the other is provided with a molded-on female
connector body (with a specified IEC nonindustrial type configuration) or
the equivalent.
3
About the Battery
Warning
• Be sure to store the battery out of the reach of small children. Placing it in
their mouths may cause an electric shock.
• If any leakage from the battery should come in contact with your eyes, do
not rub them. Flush your eyes with clean water and get medical attention
immediately.
Caution
• Only use the specified battery with this camera. Use of other batteries may
cause an explosion or fire.
• Do not disassemble the battery. Disassembling the battery may cause an
explosion or leakage.
• Remove the battery from the camera immediately if it becomes hot or
begins to smoke. Be careful not to burn yourself during removal.
• Keep wires, hairpins, and other metal objects away from the + and contacts of the battery.
• Do not short the battery or dispose of the battery in fire. This can cause an
explosion or fire.
• If any leakage from the battery should come in contact with skin or clothes,
wash the affected areas thoroughly with water.
• Precautions for D-LI92 Battery Usage:
BATTERY MAY EXPLODE OR FIRE IF MISTREATED.
- DO NOT DISASSEMBLE OR DISPOSE OF IN FIRE.
- DO NOT CHARGE EXCEPT SPECIFIED CHARGING CONDITION.
- DO NOT HEAT ABOVE 140°F / 60°C, OR SHORT CIRCUIT.
- DO NOT CRUSH OR MODIFY.
Keep the Camera and Accessories out of the Reach of Small
Children
Warning
• Do not place the camera and its accessories within the reach of small
children.
1. If the product falls or is operated accidentally it may cause serious
personal injuries.
2. Wrapping the strap around a neck may cause suffocation.
4
3. To avoid the risk of a small accessory such as the battery or SD Memory
Cards from being swallowed by mistake, keep them out of the reach of
small children. Seek medical attention immediately if an accessory is
accidentally swallowed.
Care to be Taken During Handling
Before Using Your Camera
• When traveling, take the Worldwide Service Network listing that is included
in the package. This will be useful if you experience problems abroad.
• When the camera has not been used for a long time, confirm that it is still
working properly, particularly prior to taking important pictures (such as at
a wedding or when traveling). Pictures, movies and sound files cannot be
guaranteed if recording, playback or transferring your data to a computer,
etc. is not possible due to a malfunction of your camera or recording media
(SD Memory Card), etc.
About the Battery and Charger
• Storing the battery fully charged may decrease the battery performance.
Avoid storing in high temperatures.
• If the battery is left inserted and the camera is not used for a long time, the
battery will over-discharge and shorten the battery’s life.
• Charging the battery a day before use or on the day of use is
recommended.
• The AC plug cord provided with this camera is developed exclusively for
the battery charger D-BC92. Do not use it with other devices.
Precautions on Carrying and Using Your Camera
• Do not subject the camera to high temperatures or high humidity. Do not
leave the camera in a vehicle, as the temperature can get very high.
• Do not subject the camera to strong vibrations, shocks, or pressure. Use a
cushion to protect the camera from vibrations of motorcycles, automobiles,
or ships.
• The temperature range for camera use is 0°C to 40°C (32°F to 104°F).
• The monitor may appear black at high temperatures, but will return to
normal at normal temperatures.
5
• The monitor may respond more slowly at low temperatures. This is due to
liquid crystal properties, and is not a malfunction.
• Sudden temperature changes will cause condensation on the inside and
outside of the camera. Place the camera in your bag or a plastic bag, and
remove it after the temperature of the camera and surroundings are
equalized.
• Avoid contact with garbage, mud, sand, dust, water, toxic gases, or salts.
These could cause the camera to breakdown. Wipe the camera to dry off
any rain or water drops.
• Please do not press forcefully on the monitor. This could cause it to break
or malfunction.
• Be careful not to sit down with the camera in your back pocket as this may
damage the exterior of the camera or the display.
• Be careful not to overtighten the tripod screw when using a tripod.
• The lens on this camera is not interchangeable. The lens is not removable.
Cleaning Your Camera
• Do not clean the product with organic solvents such as thinner, alcohol or
benzine.
• Use a lens brush to remove dust accumulated on the lens. Never use a
spray blower for cleaning as it may damage the lens.
Storing Your Camera
• Do not store the camera with preservatives or chemicals. Storage in high
temperatures and high humidity can cause mold to grow on the camera.
Remove the camera from its case and store it in a dry and well-ventilated
location.
Other Precautions
• Periodic inspections are recommended every one to two years to maintain
high performance.
• Refer to “Precautions When Using an SD Memory Card” (p.39) regarding
the SD Memory Card.
• Please note that deleting images or sound files, or formatting the SD
Memory Cards or the built-in memory does not completely erase the
original data. Deleted files can sometimes be recovered using
commercially available software. It is user’s responsibility to ensure the
privacy of such data.
6
Contents
Using Your Camera Safely ............................................................... 1
Care to be Taken During Handling ................................................... 5
In this manual, the method for operating the four-way controller is shown
4
or
3
or
5
or
2
or
in illustrations, such as in the ones below.
The meanings of the symbols used in this Operating Manual are
explained below.
1
indicates the reference page number for an explanation of the
related operation.
indicates information that is useful to know.
12
A mode
Q mode
indicates precautions to be taken wh en operating the camer a.
This is the mode for capturing still pictures and recording movies.
In this manual, the mode for taking still pictures is referred to as
the “still picture capture mode” and the mode for recording movies
is referred to as the “C mode”.
This is the mode for viewing still pictures and playing back movies
and sound files.
Composition of the Operating Manual
This Operating Manual contains the following chapters.
1 Getting Started –––––––––––––––––––––––––––––––––––––––––
This chapter explains what you need to do after purchasing the camera
before you start taking pictures. Be sure to read it and follow the
instructions.
2 Common Operations ––––––––––––––––––––––––––––––––––––
This chapter explains common operations such as the functions of the
buttons and how to use the menus. For more details, refer to the respective
chapters below.
This chapter deals with troubleshooting and lists the optional accessories.
1
2
3
4
5
6
7
8
9
13
Camera Features
A shooting mode guide is displayed in the Capture Mode
Palette and a playback mode guide in the Playback Mode
Palette (p.69, p.136).
Use the Green Mode to take pictures easily using
standard settings (p.76).
In addition to basic picture-taking, the Optio RZ10 has a variety of
shooting modes to suit different situations. This section describes how to
make the most of the key features of your camera. Together with the
explanations of camera operations, it will enable you to enjoy your
camera to the full.
Easy-to-Navigate Capture and Playback
Functions!
The user-friendly design of the Optio
RZ10 enables easy operation with only
a few buttons. Simply by choosing the
appropriate icon, you can select the
shooting mode (p.69) and choose the
optimal settings for the situation, or the
playback mode (p.136, p.158) and
enjoy the various playback and editing
functions. A guide on the display lets
you check the functions available in
each mode and how to use them.
14
Perfect for Portrait Shots!
Face Detection function (p.72)
Modes for taking stunning pictures of people (p.82)
Close-ups of faces for easy checking during playback
(p.144)
For decorating your pictures
with a frame
The Optio RZ10 comes with a “Face Detection” function that spots the
faces in your shot and automatically adjusts the focus and exposure for
the faces. It can detect up to 32 people per shot (*), so it will help you
take perfect group shots too. It will automatically release the shutter
when people are smiling, or if anyone blinked, it will tell you that so you
can take the shot again until it is perfect. It also has a feature that lets
you enlarge each person’s face in sequence during playback so you can
quickly check their facial expressions.
* Up to 31 face detection frames are displayed on the monitor.
Add Various Frames to Your Pictures!
When you take a picture with the Optio
RZ10, you can choose from a wide
range of fun frames to create attractive
framed shots (p.90). You can also add
frames to pictures you have taken.
Adjust the position of the subject in the
picture or reduce or enlarge the picture
size to match the frame shape and size.
Now you no longer have to worry about
the subject not fitting into the frame
(p.167).
Display Images and Sound Files in Calendar Format!
With the Optio RZ10, you can display recorded images and sound files
by date in calendar format (p.135). This lets you quickly find the image
or sound file you want to play back.
15
Advanced Movie Recording Functions
Use the camera to shoot fun-filled movies of your children
or pets as a visual diary of their development (p.125).
Resize (p.158), Cropping (p.159) and Red-eye
Compensation (p.166) can be used, while the image is
displayed in the playback mode.
You can divide a movie into two or select a frame from a
movie to save it as a still picture (p.171).
The Optio RZ10 has a shake reduction function (Movie SR) to reduce
camera shake during movie recording (p.128). And it enables you to
record movies in 1280×720 pixel (16:9) HDTV format (*) (p.127).
* When connecting to and playing back images on AV equipment,
image data is output at normal screen resolution. To view movies in
HDTV, transfer the data to a computer and play it back on the
computer.
A Multitude of Functions Inside the Camera for
Enjoying Images Without a Computer!
The Optio RZ10 has a variety of
functions to let you enjoy playing
back and editing images without
having to connect the camera to
your computer and transfer the
images first. The camera is all you
need to take and edit still pictures
and movies (p.158).
16
Checking the Contents of the Package
Camera
Optio RZ10
USB cable
I-USB7 (*)
Battery charger
D-BC92 (*)
Operating Manual
(this manual)
Items marked with an asterisk (*) are also available as optional accessories.
The battery charger and AC plug cord are only sold as a set (Battery Charger Kit
K-BC92).
For other optional accessories, refer to “Optional Accessories” (p.236).
Strap
O-ST104 (*)
AV cable
I-AVC7 (*)
AC plug cord (*)Quick Guide
Software (CD-ROM)
S-SW111
Rechargeable lithium-ion
batter y D-LI92 (*)
17
Names of Parts
Microphone
Speaker
Lens
Flash
Self-timer lamp
Battery/card cover
Tripod socket
Front
18
Back
Display
Power switch
Shutter release button
Strap lug
PC/AV terminal cover
4/W button
Green/i button
Four-way controller
3 button
Shutter release button
I button
Power switch
Q button
Zoom lever
Names of Operating Parts
Refer to “Understanding the Button Functions” (p.52 - p.55) for an
explanation of the function of each button.
19
Monitor Indications
14 :2 5
38
200
09 /0 9/ 201 0
Histogram + Info
No Info
Normal Display
3 8
Display in A Mode
The display shows information such as the shooting conditions in the
capture mode. The display changes in the following sequence each time
you press the 4/W button: “Normal Display”, “Histogram +
Info” and “No Info”.
38
38
09/09/2010
09/09/2010
14:25
14:25
OK
14
200
200
38
383838
M
20
OK
When the shooting mode is set to 9 (Green)
mode, the monitor display is as shown on the
right. You cannot change the information on t he
display by pressing the 4/W button
(p.76).
OK
38
38
Normal Display in Still Picture Capture Mode
1 4 :2 5
+ 1 .0
3 8
0 9 /0 9/ 20 1 0
F 3 .5
1 / 25 0
38
38
119
12
13
14
87
10
1
2
3
15
4
5
1/250
6
1/250
F3.5
F3.5
+1.0
09/09/2010
09/09/2010
14:25
14:25+1.0
16
191817
Shooting mode (p.69)
1
Face Detection icon (p.72)
2
D-Range Setting (p.109)
3
Camera shake reduction icon
4
(p.116)
Shutter speed
5
Aperture
6
Flash Mode (p.101)
7
Drive Mode (p.92, p.93)
8
Focus Mode (p.103)
9
Eye-Fi icon (p.221)
10
* 3 depends on the [D-Range Setting] setting in the [A Rec. Mode]
menu.
PWhen [Highlight Correction] is set to O
QWhen [Shadow Correction] is set to O
OWhen [Highlight Correction] and [Shadow Correction] are both
set to O
If [Highlight Correction] and [Shadow Correction] are both set to P
(Off), nothing appears in 3.
Digital Zoom/Intelligent Zoom
11
icon (p.78)
Memory status (p.41)
12
Remaining image storage
13
capacity
Battery level indicator (p.34)
14
Focus frame (p.66)
15
Date and time (p.47)
16
EV Compensation (p.108)
17
Date Imprint setting (p.120)
18
World Time setting (p.193)
19
21
* 4 varies depending on the following conditions.
F 3 .5
1 / 25 0
3 8
200
+ 1.0
+ 1 .0
A
A
A
A
M When the shutter release button is pressed halfway with [Shake
Reduction] in the [A Rec. Mode] menu set to [CCD-Shift] or
[Dual]
l When [Shake Reduction] is set to [Off] (If the camera shake is
likely to occur, f is indicated when the shutter button is
pressed halfway.)
* 5 and 6 appear only when the shutter release button is pressed
halfway.
* For 9, when the focus mode is set to = and the Auto-Macro function
is activated, the q appears on the display (p.103).
* Some indications may not appear depending on the shooting mode.
Histogram + Info/No Info Display in Still Picture Capture Mode
A1 to A19 and B1 appear when “Histogram + Info” is selected. Only B1
appears when “No Info” is selected.
A5 A6 A7
A8
A9
A10
38
38
200
200
A11
A12
A13
A14
A15
A16
1
2
3
B1
4
B2
1/250
B3
1/250
F3.5
F3.5
+1.0
+1.0
+1.0
A17
A18 A19
22
Shooting mode (p.69)
A1
Face Detection icon (p.72)
A2
D-Range Setting (p.109)
A3
Camera shake reduction icon
A4
(
)
p.116
Flash Mode (p.101)
A5
Drive Mode (p.92, p.93)
A6
Focus Mode (p.103)
A7
Eye-Fi icon (p.221)
A8
Digital Zoom/
A9
Intelligent Zoom icon (p.78)
Memory status (p.41)
A10
Remaining image storage
A11
capacity
Battery level indicator (p.34)
A12
Recorded Pixels (p.106)
A13
White Balance (p.110)
A14
AE Metering (p.112)
A15
Sensitivity (p.114)
A16
Histogram (p.26)
A17
EV Compensation (p.108)
A18
Date Imprint setting (p.120)
A19
Focus frame (p.66)
B1
B2
B3
Shutter s
Aperture
peed
* A3 depends on the [D-Range Setting] setting in the [A Rec. Mode]
menu.
PWhen [Highlight Correction] is set to O
QWhen [Shadow Correction] is set to O
OWhen [Highlight Correction] and [Shadow Correction] are both
set to O
If [Highlight Correction] and [Shadow Correction] are both set to P
(Off), nothing appears in A3.
* A4 varies depending on the following conditions.
M When the shutter release button is pressed halfway with [Shake
Reduction] in the [A Rec. Mode] menu set to [CCD-Shift] or
[Dual]
l When [Shake Reduction] is set to [Off] (If the camera shake is
likely to occur, f is indicated when the shutter button is
pressed halfway.)
* B2 and B3 appear only when the shutter release button is pressed
halfway.
* When the shooting mode is b (Auto Picture) and if you press the
shutter release button halfway, the automatically selected shooting
mode appears in A1 even when “No Info” is selected (p.74).
* Some indications may not appear depending on the shooting mode.
23
Display in Q Mode
F3 .5
1/ 25 0
10 0
-
00 38
14 :2 5
200
Edi t
09 /0 9/ 201 0
10 0
-
00 38
14 :2 5
Edi t
09 /0 9/ 201 0
Edi t
Normal Display
Histogram + Info
No Info
The display shows the shooting information of the image in the playback
mode. The display changes in the following sequence each time you
press the 4/W button: “Normal Display”, “Histogram + Info”
and “No Info”.
100
0038
100-0038
09/09/2010
09/09/2010
14:25
14:25
Edit
Edit
OK
100
0038
100-0038
14
M
200
200
1/250
1/250
F3.5
F3.5
Edit
Edit
09/09/2010
09/09/2010
14:25
14:25
OK
OK
24
Edit
Edit
Normal Display/Histogram + Info Display in Playback Mode
F 3 .5
1 / 25 0
1 0 0
-
0 0 38
1 4 :2 5
200
Edit
0 9 /0 9/ 20 1 0
A
A
A
A
A
(All of the display items are displayed here for explanatory purposes.)
The display shows information such as the shooting conditions. A1 to
A12 appear when “Normal Display” or “Histogram + Info” is selected. B1
to B7 appear only when “Histogram + Info” is selected.
5
4
3
2
100
0038
100-0038
1
A6
A7
A8
A9
A10
B1
B2
B3
B4
B5
B6
200
200
1/250
1/250
F3.5
F3.5
Edit
Edit
09/09/2010
09/09/2010
14:25
14:25
B7
A11
A12
Face Detection icon (p.72)
A1
Playback mode
A2
Q : Still Picture (p.132)
K : Movie (p.133)
L : Sound (p.182)
Protect icon (p.151)
A3
Voice memo icon (p.185)
A4
Eye-Fi icon (p.221)
A5
Memory status (p.41)
A6
Folder number (p.196)
A7
File number
A8
* A1 appears only if the Face Detection function worked when the image
was shot.
* In “Normal Display”, A9 and A11 disappear if no operation is performed
for two seconds.
* A10 appears only when the volume is being adjusted during playback
of movies, sound files or voice memos (p.133, p.182, p.185).
Battery level indicator (p.34)
A9
Volume icon
A10
Captured date and time (p.47)
A11
Four-way controller guide
A12
Recorded Pixels (p.106)
B1
White Balance (p.110)
B2
AE Metering (p.112)
B3
Sensitivity (p.114)
B4
Shutter speed
B5
Aperture
B6
Histogram (p.26)
B7
25
* A12 appears even when “No Info” is selected, but disappears if no
MENU
Number of pixels→
←Brightness→(Dark)(Bright)
operation is performed for two seconds. When no operation is
performed for two seconds in “Normal Display” or “Histogram + Info”,
only “Edit” disappears.
Guide Indications
A guide indication for each available button/key operation appears as
follows on the display during operation.
2Four-way controller (2)Zoom lever
3Four-way controller (3)
4Four-way controller (4)Shutter r elease button
5Four-way controller (5)
3 button
4/W button
OK
SHUTTER
i Green/i button
X,
J I button
I,
Using the Histogram
A histogram shows the
brightness distribution of an
image. The horizontal axis
represents brightness (dark at
the left and bright at the right)
and the vertical axis represents
the number of pixels.
The shape of the histogram
before and after shooting tells
you whether the brightness and
contrast are correct or not, and lets you decide if you need to adjust the
exposure and take a picture again.
26
Setting the Exposure (EV Compensation) 1 p.108
Understanding Brightness
Dark imageCorrect imageBright image
If the brightness is correct, the graph peaks in the middle. If the image is
too dark, the peak is on the left side, and if it is too bright, the peak is on
the right side.
When the image is too dark, the part to the left is cut off (dark portions)
and when the image is too bright, the part to the right is cut off (bright
portions).
Understanding Contrast
The graph peaks gradually for images in which contrast is balanced. The
graph peaks on both sides but sinks in the middle for images with a large
difference in contrast and low amounts of mid-level brightness.
27
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