Lumolab Pentax K-7 vs. K-x - falklumo
ActionActionAltAdjustAlertAlert2AngleBracketDownAngleBracketLeftAngleBracketLeftSlimAngleBracketRightAngleBracketRightSlimAngleBracketUpic AspectRectable 18dpic AspectSquare 18dpBrowserCalendarCameraPhotoCameraPhoto2CameraVideo2CartCart2CartAddCartAdd2CheckmarkCommentComment2CreditCardCropDesktopDownloadDownload2EditEdit2EmailEmail2FlagFlag2FolderFolder2FolderOpenFullScreenGalleryGallery2GearHeartHeartOutlinedHelpHelpEncircledHideHistoryHistory2HomeHome2ImageImage2InfoInfoEncircledInfoEncircled2LaptopLayoutLinkLockLock2MenuMenu2MinusMinusSlimMobileMoreHorizMoreVertPagePage2PausePlayPlusPlusSlimPrinterSearchSearch2ShareSizesStarStarOutlinedSyncTabletTagTrashTrash2UploadUpload2UserUsersVideoCameraViewWarningWrenchXCrossActionActionAltAddAdjustAlertAlert2AmazonAndroidAppleArrowBackArrowNextBrowserCameraPhotoCameraPhoto2CartCart2CartAddCheckCloseCommentComment2CropCursorMoveDesktopDownloadDropboxFacebookFlickrFolderFolder2FullScreenSlimGalleryGallery2GoogleDriveGooglePhotosHelpEncircledHelpEncircled2HistoryHistory2HomeHome2InfoEncircledInfoEncircled2LaptopLayoutLightroomLinkLockLock2MenuMobileMoreHorizMoreVertNavigateBackNavigateNextPaintPausePeoplePeople2PersonPerson2PhoneSavePlayPrinterRemoveSearchSettingsSettings2ShareSharePrivateSizesSmugMugStarStar2TabletTrashTrash2TwitterUploadUpload2Wrench Page 1Page 1 CopyCombined ShapeCombined ShapeCombined ShapeCombined ShapetemplatestemplatesEZprints-98404-landscapeEZprints-98404-portraittemplatestemplatesEZprints-98406-landscapeEZprints-98406-portraitEZprints-98407-landscapeEZprints-98407-portraittemplatestemplatestemplatestemplatesEZprints-98416-landscapeEZprints-98416-portraitEZprints-98417-landscapeEZprints-98417-portraitEZprints-98418-landscapeEZprints-98418-portraitEZprints-98419-landscapeEZprints-98419-portraitshared-style-defs
Powered by SmugMug Log In
Signal to noise ratio (SNR) for the Pentax K-7 and K-x. Full measurement for various luminosities and ISO settings at color temperature 2900°K. Measurement similiar to dxomark.com. The dotted lines indicate the slope for pure photon shot noise. The flattening at 30% gray and brighter is believed to be due to systematic measurement errors like imperfect gray patches.
The curve for K-7 only and test images are at:
http://falklumo.smugmug.com/Photography/Pentax-K-7/Lumolab-K7/10103433_4JwvW/1/693823624_aA6Fd
The curve for K-x only and test images are at:
http://falklumo.smugmug.com/Photography/Pentax-K-x/Lumolab-Kx/10103582_LRh2Y/1/693829277_tzsR9

Signal to noise ratio (SNR) for the Pentax K-7 and K-x. Full measurement for various luminosities and ISO settings at color temperature 2900°K. Measurement similiar to dxomark.com. The dotted lines indicate the slope for pure photon shot noise. The flattening at 30% gray and brighter is believed to be due to systematic measurement errors like imperfect gray patches.
The curve for K-7 only and test images are at:
http://falklumo.smugmug.com/Photography/Pentax-K-7/Lumolab-K7/10103433_4JwvW/1/693823624_aA6Fd
The curve for K-x only and test images are at:
http://falklumo.smugmug.com/Photography/Pentax-K-x/Lumolab-Kx/10103582_LRh2Y/1/693829277_tzsR9

snr