Reducing Image Noise Noise Reduction, High-ISO NR | Pentax 12161

Reducing Image Noise (Noise Reduction)

When shooting with a digital camera, image noise (image roughness or unevenness) becomes noticeable in the following situations.

-when shooting with a long exposure

-when shooting with a high sensitivity setting

-when the temperature of the CMOS sensor is high

You can reduce image noise by using Noise Reduction.

High-ISO NR

Reduces noise at high sensitivity (ISO) settings.

1 Select [High-ISO NR] in the [A Rec. Mode 2] menu, and press the four-way controller (5).

83

4 Shooting

2 Use the four-way controller (23) to select [Auto], [Low] or [High], and press the 4button.

1 2 3
HDR Capture
Multi-exposure
Interval Shooting
D-Range Setting
High-ISO NR
Distortion Correction
MENU Cancel	OK OK

Functions

	Auto	Applies Noise Reduction at optimally calculated levels
	Auto	throughout ISO range. (default setting)
		throughout ISO range. (default setting)

	Low/High	Applies Noise Reduction at constant chosen level
	Low/High	throughout ISO range.
		throughout ISO range.

3 Press the 3button.

The camera is ready to take a picture.

The card access lamp blinks and the camera cannot be operated during Noise Reduction.

Image 85

Pentax 12161, 12195 Reducing Image Noise Noise Reduction, High-ISO NR, Reduces noise at high sensitivity ISO settings

Contents

Operating Manual Lenses you can use About the Camera For Using Your Camera Safely About the Battery Charger and AC Adapter About the Rechargeable Lithium-ion Battery About the Battery and Charger Before Using Your CameraPrecautions on Carrying and Using Your Camera Care to be Taken During Handling Other Precautions Cleaning Your CameraStoring Your Camera Regarding Product Registration Before Using Your Camera ContentsGetting Started Shooting Functions Basic Operations Shooting Settings Editing Images Playback Functions Connecting to a Computer Changing Additional Settings 177Using the Flash Appendix Composition of the Operating Manual Indicates precautions to take when operating the camera Symbols used in this Operating Manual are explained belowIndicates useful information How to Change Function Settings Before Using Your Camera Checking the Contents of the Package Names and Functions of the Working Parts Capture Mode Flash pop-up switch Mode dialPower switch Dial Playback Mode Switches to Capture mode Press halfway to switch to Capture modeDisplays the Q Playback 1 menu p.147 Changes the style of the display on the monitor. p.25 Monitor Display Capture ModeStandard display Exposure Face Detection p.85 Interval Shooting or Multi Mode Control panel Detailed information on how and when the image was Playback ModeStandard display Display Histogram display Histogram Brightness Shutter speed Protect setting Still picture Detailed information displayMovie Histogram shows the brightness Using the HistogramHistogram before and after shooting Guide Indicators Using the Direct Keys How to Change Function SettingsPress the four-way controller 4 in Capture mode Use the four-way controller 45 to select a flash mode Press the Mbutton Capture mode Using the Control PanelOr e-dial to select a setting value Use the four-way controller Press the 3button Capture mode Using the MenusPress the 3button or the shutter release button halfway Press the four-way controller Use the four-way controller 23 to select an item Use the four-way controller 23 to select a settingPress the 3button Before Using Your Camera Getting Started Attaching the Strap Inserting the Battery Attaching the Strap Charging the Battery Inserting the Battery Inserting/Removing the Battery Lock lever in the direction of the arrow 3 with your finger Battery Level Indicator Using the AC Adapter Optional Plug the AC plug cord into the power outlet Inserting/Removing an SD Memory Card Push the SD Memory Card in once to remove Attaching a Lens To remove the lens Turning the Camera On and Off Press the power switch Setting the Display Language Initial SettingsUse the four-way controller 45 to select a city W Hometown screen appears Setting the Date and Time If you set the date and time from Use the four-way controller 23 to set the monthMenu, the screen will return to Set-up 1 menu. In this case, press the 3 button Memo Basic Operations Set the mode dial to n Letting the Camera Choose the Optimal SettingsBasic Shooting Operation View the subject on the monitor Review the captured image on the monitor Press the shutter release button fullyAvailable operations Turn the zoom ring to the right or left Using a Zoom LensAngle of view changes Setting the Flash Mode Using the Built-in Flash Press the four-way controller 3 in on p.56 Compensating Flash OutputFlash Compensation Value 1.7, -1.3, -1.0, -0.7, -0.3, 0.0, +0.3, +0.7, +1.0 Shooting with the Flash Slide the flash pop-up switch in the direction of the arrowTurn the e-dial Press the shutter release button halfway BasicOperations Playing Back Images Reviewing ImagesPress the Q button You can play back captured images with the camera Press the four-way controller 2 to select Delete Deleting a Single ImageYou can delete images one by one Delete confirmation screen appears Camera Shake Taking Pictures Continuously Recording Movies Shooting Functions Direct Keys Setting Items How to Operate the Shooting Functions120 Rec. Mode Menu Items Shooting with a high ISO sensitivity Movie Menu Items Custom Setting Menu Items Sets whether to discharge the built-in flash Selecting the Appropriate Capture Mode Auto Picture Modes Scene Modes Mode Characteristics Backlight Selecting a Scene Mode Set the mode dial to H Set the mode dial to u Blur Control ModeCamera switches to umode Value to match your photographic vision Exposure Modes Setting the Sensitivity Setting the ExposurePress the four-way controller 2 in Capture mode Sensitivity setting screen appears Change Exposure Mode Changing the Exposure Mode Mode. p.77 Press the shutter release button Using the Bulb ShootingTake your finger off the shutter release button Happears after the slowest shutter speed Exposure is adjusted Adjusting the ExposureEV bar is displayed on the monitor during adjustment Press the mc button 1, Then turn the e-dial Drive Mode setting screen appears Press the four-way controller 5 in Capture modeUse the four-way controller 45 to select l Standard exposure Underexposure +Remote Ctrl Exposure Bracket Press the 3button twice Locking the Exposure Before Shooting AE LockSet the exposure, and press the d/i button Green Button screen appears ShootingFunctions AE Metering screen appears Selecting the Metering MethodCamera returns to the control panel Reducing Image Noise Noise Reduction Reduces noise at high sensitivity ISO settingsHigh-ISO NR Setting the Focus Method FocusingPress the Mbutton in Capture mode You can focus with the following methods Autofocus Method screen appears Setting the Autofocus Method Autofocus Method AF Select 25 Points Menu Cancel Select the AF area Selecting the Desired Focusing AreaAF area is set Autofocus system operates Focusing Using the d/i Button Locking the Focus Focus Lock Refer to Setting the Autofocus Method p.85 for details While viewing the monitor, turn the focusing ring Adjusting the Focus Manually Manual FocusFocusing with the Image Enlarged Set Focus Method to \ Check that the subject is in focus Set the magnification to Off, x2, or x4, and press Button Take your finger off the d/i button Checking the Depth of Field PreviewPreview is ended and the camera is ready to take a picture Uses Shake Reduction. default setting Using the Shake Reduction Function to Prevent Camera ShakeShake Reduction screen appears Does not use Shake Reduction Press the shutter release button halfway Camera is ready to take a picture Shooting with Self-timer Shooting with Remote Control Optional Stand-by status ShootingFunctions Continuous Shooting Taking Pictures ContinuouslyCamera is ready to take pictures Continuously For Jpeg images of E/C, up to approximately 100 101 Interval Shooting 102 103 Multi-exposureMulti-exposure screen appears Select from 2 to 9 shots 104Multi-exposure is ended Again from the first frame Set the mode dial to C, and press the 3button Changing the Settings for Movie RecordingRecording Movies 105 106 Auto Takes pictures with auto exposure. default settingCamera is ready to record a movie Adjust the exposure when Exposure Setting is set to Manual Set the mode dial to CRecording Movies 107 108 Button in Green Button of the ARec. ModePress the shutter release button again Movie recording stops 109 Interval MovieTo select the shooting interval Interval Movie screen appears 110 111 Playing Back MoviesFirst frame of the movie is displayed on the monitor Movie playback starts 112 Editing Movies 113 Select points where you want to divide the movieProceed to if you do not delete any segments Screen to select segments to delete is displayed 114 Setting the White Balance Operating settings in capture mode Setting a File FormatAdjusting Brightness Setting the Image Finishing Tone Image Capture Settings screen appears Setting a File FormatRefer to p.117 p.119 for details about the settings File Format Aspect Ratio117 You can set the format of image files 118 Jpeg Recorded Pixels Color Space Jpeg Quality119 You can select a color space to use Press the four-way controller 3 in Capture mode Setting the White Balance 121 Fine-tuning screen appearsUse the four-way controller 45 to select the white balance Fine-tune the white balance 122 Adjusting the White Balance ManuallySelect K in on p.121 Highlight Correction Adjusting Brightness123 Highlight Correction screen appears 124 Shadow CorrectionShadow Correction screen appears 125 HDR CaptureHDR Capture screen appears Setting Custom Image Setting the Image Finishing ToneVivid color image To select an image Finishing tone 127Change the parameters Contrast -4 to +4 You can check the saturation and hue with the radar chart Use the four-way controller 45 to change the settingsNot available in C mode Button Resets the set value 129 Saving the Cross Processing Settings of a Captured ImageUse the e-dial to select a cross processed image 130 Setting the Digital Filter 131 Saving Frequently Used Functions to the Quick Dial Screen for setting the quick dial function appears132 To select the function to save 133 Loading Settings for Taking PicturesRepeat Steps 3 134 Setting the Smart EffectTo choose an effect Repeat Steps 2 to Press the 4button Shooting with Smart Effect 135Turn the quick dial to select the position 1 to Press the four-way controller 3 to change the parameters Set necessary settings Select from User 1 to 3 in Step Saving the Camera Settings136 On p.134 137 Saving a Thumbnail Image to the User ModeTurn the e-dial to choose an image Setting the Green Button Operation Setting the Green Button and E-dial Functions Picture is taken. default setting Setting the One Push File Format139 Use the four-way controller 23 to choose a file format 140 Setting the E-dial Operation in e Mode 141 Setting the Green Button Operation in aMode Setting the ND Filter Setting the Lens FunctionsTo select Off or On, and press Camera returns to the control panel 143 Correcting Lens DistortionReduces lens distortions occurring due to lens properties 144 Displaying Multiple Images Enlarging ImagesDisplaying Rotated Images Deleting Multiple Images Playback Functions Operation Playback Mode Palette Items 147 Playback Menu ItemsPrint the date on images saved on 196 SD Memory Card Dark Area warning during playback Delete All Images Select from Off default setting Setting the Playback Display MethodSelect Quick Zoom in the Q Playback 1 menu, X4, x8 or Enlarging Images Images can be enlarged up to 16 times in Playback mode149 Image enlarges at each click 1.2 to 16 times Displaying Multiple Images Turn the e-dial to the left toward f in Playback modeMulti-image Display Screen Full screen display of the selected image appears 151 Displaying Images by Folder2345 Multi-image display screen for the selected folder appears 152 Displaying Images by Shooting Date Calendar DisplayMulti-image display screen, press the Mbutton Press the Mbutton again Joining Multiple Images Index Index setting screen appears153 You can select oThumbnail, pSquare, qRandom1, rRandom2 Index image is created and a confirmation screen appears 154 Playing Back Images Continuously Setting the Slideshow Display155 Start screen is displayed Slideshow begins 156 157 Displaying Rotated ImagesImage rotation information is saved Deleting Selected Images Deleting Multiple ImagesSelect the images to delete Multi-image display screen appears 159 Deleting a Folder 160 Deleting All ImagesYou can delete all saved images at once Confirmation screen for deleting all images is displayed Device Connecting the Camera to an AVCable Used 162 Setting the Video/HDMI Output FormatSelecting the Video Output Format 163 Is automatically selected. default settingSelecting the Hdmi Output Format 164 Processing Images Changing the Image SizeDeveloping RAW Images Changing the Number of Recorded Pixels Resize Changing the Image SizeScreen to select the recorded pixels appears Resized image is saved as a new image 167 Cropping Out Part of the Image CroppingCropped image is saved as a new image Processing Images with Digital Filters Processing ImagesInfrared Filter Extracts one or two specific Blue/Cyan/Green/Yellow In-Focus Plane Angle Horizon 169Angle 0/30/45/60 Brightness -8 to +8 170 Screen to adjust the parameter appearsUse the four-way controller 2345 to select a filter Screen to select a filter appears Recreating Filter Effects 171To check the parameter details, press the Mbutton Filter effects used for the selected image appear Filter-processed image is saved as a new image 172 173 Editing Out the Unwanted Red-eye EffectEdited image is saved as a new image Developing One RAW Image Developing RAW ImagesScreen to select a development method is displayed Following parameters can be changed 175Parameter Value Aspect Ratio Selected RAW images are developed and saved as new images 176 Camera Settings How to Operate the Set-up MenuFile Management Settings Set-up Menu Items How to Operate the Set-up MenuWorld Time Video Out 188 179Cmos sensor Setting the Sound Effects Camera SettingsSound Effects 1 screen appears Turn the e-dial to display the Sound Effects 2 screen 181 Setting the World TimeChanging the Date and Time Display Use the four-way controller 45 to select a destination city 182 List of World Time Cities 183 Setting the Display Language Setting the Monitor and the Menu DisplayMinimizing Battery Consumption 184 Setting the Guide Display Time Setting the Capture Mode Display MethodSets the monitor display method in Capture mode 185 Setting the Display for Instant Review Setting the Initial Menu Tab Displayed186 To select the item to adjust Adjusting the Brightness and the Color of the MonitorUse the four-way controller 45 to adjust the value 187 Press the 4button Press the 3button 188Pixel Mapping screen appears When the camera is turned off Selecting Settings to Save in the Camera Memory189 Resetting the Rec. Mode/Movie/Playback/Set-up Menus Resetting the MenusReset screen appears 190 Reset Custom Functions screen appears Resetting the Custom Setting MenuChecking the Camera Version Information 191 192 Formatting an SD Memory Card File Management Settings193 Format screen appears Protecting Images from Deletion Protect Press the four-way controller 3 in Playback mode194 Creating New Folders Changing the Naming System for Folders195 Create New Folder screen appears 196 Setting the Dpof Settings Press the mc button to select O or P for printing the date 197Date will be printed 198 Computer Using the Provided SoftwareSaving Images on a Computer Windows Manipulating Captured Images on a ComputerMacintosh Saving Images on a Computer Setting the USB Connection Mode201 Unless otherwise specified, select MSC 202 Connecting the Camera and a ComputerTurn the camera on Save the captured images to the computer Installing the Software Using the Provided Software203 Turn the computer on Click Silkypix Developer Studio 3.0 for Pentax 204 Regarding Product Registration 205 206 Using the Flash Using the Slow-speed Sync Flash Characteristics in Each Exposure ModeUsing the Flash in b Mode Using the Flash in c Mode 209 Using the Trailing Curtain SyncSensitivity Built-in Flash Guide Number Approx ISO 210 Lens Compatibility with the Built-in FlashCalculating Shooting Distance from Aperture Value Calculating Aperture Value from Shooting Distance 211 Using an External Flash OptionalCamera Function Flash 212 Using P-TTL Mode 213 Connecting an External Flash with an Extension Cord 214 Cleaning the Cmos Sensor Default SettingsError Messages Troubleshooting Direct Keys Default SettingsQuick Dial 217 Rec. Mode Menu Movie Menu 218 219 Playback Mode PalettePlayback Menu RSet-up Menu 220 221 ACustom Setting Menu Mode # *2 # *8 TTL Auto Flash Umode # *2 # *8 C mode ModeFunctions Available with Various Lens Combinations Group 223 Using a K-Mount LensAttach the mount adapter and lens, and turn the camera on To set the focal length Removing Dust by Shaking the Cmos Sensor Dust Removal Cleaning the Cmos SensorShaking the Cmos sensor removes dust that has collected Dust Removal screen appears 225 Error Messages 226 Troubleshooting227 228 229 Model Description Main Specifications LCD Monitor 231 Drive Modes 232 Movie 233 234 Power Supply When using a 2 GB SD Memory Card When using the fully charged battery235 Approximate Image Storage Capacity and Playback Time Index 237 238 239 240 241 Shutter Priority Automatic Exposure mode bShutter Priority Automatic Zoom display 149 Zoom lens Warranty Policy CE Mark is a Directive conformity mark of the European Union 243 For customers in USA 244For customers in Canada Pour les utilisateurs au Canada 245 Class B Personal Computers and Peripherals 246 Memo Memo Memo France S.A.S