sail2ithaki (sail2ithaki) wrote,
sail2ithaki
sail2ithaki

О хранении денег в сберегательной кассе

Много уж говорено, что оригиналы сохранять - стоит. Вот примерчик того, что мы теряем при конвертации в DNG. Камера Olympus E-400, свеженький конвертер Adobe. Потеряна оригинальная информация об объективе, включая параметры для компенсации дисторсии; оригинальная матрица цветности, оригинальная информация о калибровке экспонометра, ну и по мелочи:

$ exiftool -v3 /Volumes/Documents/Olympus_lens/P3046827.dng | grep Warning
| | | | Warning = Bad MakerNotes offset for ThumbnailImage
| | | | Warning = Bad MakerNotes offset for SpecialMode
| | | | Warning = Bad MakerNotes offset for DigitalZoom
| | | | Warning = Bad MakerNotes offset for FocalPlaneDiagonal
| | | | Warning = Bad MakerNotes offset for LensDistortionParams
| | | | Warning = Bad MakerNotes offset for CameraType
| | | | Warning = Bad MakerNotes offset for CameraID
| | | | Warning = Bad MakerNotes offset for ColorMatrix
| | | | Warning = Bad MakerNotes offset for BlackLevel
| | | | Warning = Bad MakerNotes offset for ColorControl
| | | | Warning = Short directory size (missing 2 bytes)
| | | | | Warning = Bad Equipment offset for CameraType2
| | | | | Warning = Bad Equipment offset for SerialNumber
| | | | | Warning = Bad Equipment offset for InternalSerialNumber
| | | | | Warning = Bad Equipment offset for FocalPlaneDiagonal
| | | | | Warning = Bad Equipment offset for LensType
| | | | | Warning = Bad Equipment offset for LensSerialNumber
| | | | | Warning = Bad Equipment offset for Extender
| | | | | Warning = Bad Equipment offset for ExtenderSerialNumber
| | | | | Warning = Bad Equipment offset for ExtenderModel
| | | | | Warning = Bad Equipment offset for FlashSerialNumber
| | | | Warning = Short directory size (missing 2 bytes)
| | | | | Warning = Bad CameraSettings offset for AFAreas
| | | | | Warning = Bad CameraSettings offset for FlashExposureComp
| | | | | Warning = Bad CameraSettings offset for CustomSaturation
| | | | | Warning = Bad CameraSettings offset for ContrastSetting
| | | | | Warning = Bad CameraSettings offset for SharpnessSetting
| | | | | Warning = Bad CameraSettings offset for Gradation
| | | | | Warning = Bad CameraSettings offset for PictureModeSaturation
| | | | | Warning = Bad CameraSettings offset for PictureModeContrast
| | | | | Warning = Bad CameraSettings offset for PictureModeSharpness
| | | | | Warning = Bad CameraSettings offset for DriveMode
| | | | Warning = Short directory size (missing 2 bytes)
| | | | | Warning = Bad RawDevelopment offset for RawDevExposureBiasValue
| | | | | Warning = Bad RawDevelopment offset for RawDevGrayPoint
| | | | | Warning = Bad RawDevelopment offset for RawDevSaturationEmphasis
| | | | | Warning = Bad RawDevelopment offset for RawDevContrastValue
| | | | | Warning = Bad RawDevelopment offset for RawDevSharpnessValue
| | | | Warning = Short directory size (missing 2 bytes)
| | | | | Warning = Bad ImageProcessing offset for ColorMatrix
| | | | | Warning = Bad ImageProcessing offset for Olympus_ImageProcessing_0x0201
| | | | | Warning = Bad ImageProcessing offset for Olympus_ImageProcessing_0x0202
| | | | | Warning = Bad ImageProcessing offset for Olympus_ImageProcessing_0x0203
| | | | | Warning = Bad ImageProcessing offset for Olympus_ImageProcessing_0x0204
| | | | | Warning = Bad ImageProcessing offset for Olympus_ImageProcessing_0x0205
| | | | | Warning = Bad ImageProcessing offset for Olympus_ImageProcessing_0x0206
| | | | | Warning = Bad ImageProcessing offset for Olympus_ImageProcessing_0x0207
| | | | | Warning = Bad ImageProcessing offset for Olympus_ImageProcessing_0x0208
| | | | | Warning = Bad ImageProcessing offset for Olympus_ImageProcessing_0x0209
| | | | | Warning = Bad ImageProcessing offset for Olympus_ImageProcessing_0x020a
| | | | | Warning = [Minor] Too many warnings -- ImageProcessing parsing aborted
| | | | Warning = Bad MakerNotes offset for FocusInfo
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