Nikon D2X NEF

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showImageTags: Identify file NikonD2X.NEF:
NikonD2X.NEF Size{20185304) is TIFF format, bigEndian, version(42)
Parse TIFF Head: [bigEndian], base(0). position(8), entries(25), level(0)
tiff ISO Alternate Image IFD found
tiff ISO ImageWidth: (160)
tiff ISO ImageHeight: (120)
tiff ISO Bits Per Sample: (3) 8, 8, 8
tiff ISO Compression: (1): NONE
tiff ISO PhotoMetric Interpretation: (2) RGB
tiff ISO Camera Make: NIKON CORPORATION
tiff ISO Camera Model: NIKON D2X
tiff ISO Strip Offsets(image data): N(1) 116514
tiff ISO Orientation: (1) landscape
tiff ISO Samples Per Pixel: (3) RGB or YCbCr
tiff ISO Rows Per Strip: (120)
tiff ISO Strip Byte Counts(image data): N(1) 57600
tiff ISO PlanerConfig (1): Chunky format
tiff ISO Date Time: 2005:03:14 06:48:14
Parse TIFF Head: [bigEndian], base(0). position(174132), entries(8), level(1)
tiff ISO Alternate Image IFD found
tiff ISO Compression: (6): OJPEG
tiff ISO YCbCr Positioning: (2) cosited
Parse TIFF Head: [bigEndian], base(0). position(174252), entries(17), level(1)
tiff ISO Primary Image IFD found (raw image?)
tiff ISO ImageWidth: (4320)
tiff ISO ImageHeight: (2868)
tiff ISO Bits Per Sample: (1) 12
tiff ISO Compression: (1): NONE
tiff ISO PhotoMetric Interpretation: (32803) CFA_Sensor
tiff ISO Strip Offsets(image data): N(287) 1600664, 1665464, 1730264, 1795064, 1859864, 1924664
tiff ISO Samples Per Pixel: (1) Grayscale or CFA
tiff ISO Rows Per Strip: (10)
tiff ISO Strip Byte Counts(image data): N(287) 64800, 64800, 64800, 64800, 64800, 64800
tiff ISO PlanerConfig (1): Chunky format
tiff ISO CFA Repeat Pattern Dimensions: Rows(2), Cols(2)
tiff ISO CFA Pattern: R,G,G,B
tiff ISO Sensing Method: (2) One-chip color area sensor
tiff ISO Reference Black:White: (0:255), (0:255), (0:255)
tiff EXIF IFD Pointer Lth(1) position(480)
Parse EXIF Head: [bigEndian], base(0). position(480), entries(32)
exif Exposure Program: (3) Aperture priority
exif Date Time Original: 2005:03:14 06:48:14
exif LightSource: (0) Unknown
exif FlashInfo: (ox07) Strobe return light detected
exif MakerNotes: Data Lth(115502) position(1012)
mknt MakerNotes Head: Tags(47), bigEndian, Vendor: Nikon
mknt MakerNotes Version: 0210
mknt ISO Settings: 0 100 
mknt Quality Setting: RAW    
mknt White Balance Setting: PRESET0     
mknt Sharpening Setting: AUTO  
mknt Focus Mode Setting: AF-C  
mknt White Balance Mired: NORMAL      
mknt Camera Serial: 5001068
mknt Tone Compensation: AUTO    
mknt Lens Type: 0x06
mknt Lens Specs: (17.000, 55.000, 2.800, 2.800)
mknt Flash Used: 0x07
mknt DCRAW[140] Nikon Curve: @ 1744 + 2112
mknt Color Mode: MODE3   
mknt Lighting Type: SPEEDLIGHT 
mknt Hue Adjustment: (0)
mknt Noise Reduction: OFF 
mknt DCRAW Tag151: ver97(204) [0xcc] "0204", WB-Adjustments?
mknt Shutter Operations: (2362)
mknt Saturation: NORMAL         
exif User Comments: Lth(44) ASCII
exif Sensing Method: (2) One-chip color area sensor
exif Scene Type: (0x12f79c) Directly photographed image
exif Custom Rendered: (0) Normal
exif Exposure Mode: (0) Auto
exif White Balance: (1) Manual
exif Scene Capture Type: (0) Standard
exif Contrast: (0) Normal
exif Saturation: (0) Normal
exif Subject Distance Range: (0) Unknown
tiff ISO EP-StdID: 1.0.0.0
NikonD2X.NEF is a NIKON CORPORATION: NIKON D2X image created on 2005:03:14 06:48:14
Format[TIFF/EP], ByteOrder[bigEndian], Pixels/Sensors(2868x4320), BitDepth(12)
TiffTags(50), TiffIfdCount(3), ExifTags(32), MakerNoteTags(47), IptcTags(0), XmpTags(0), CiffTags(0)

calc_WB(): red(1.426), green(1.000), blue(1.813)

This is valid ISO TIFF/EP, with vendor private compression again.   There are three images in this file.

The infamous ver97 Makernote tag is present.   And there is only one Nikon Curves tag found by DCRAW.   In this case, the white balance information will be decoded later.   Note that the shutter operations tag is later in the list.   Also note that the camera was not set for Auto white balance.

The EXIF Light Source is included, but the value is useless.  

There are some significant differences in the tags defining the sensor data.   The Strip Offsets and Byte Counts are now arrays of multiple values.   And there are correspondingly fewer rows per strip.   In non-technical terms, this is suggesting a compeleely different Bayer interpolation than previously used.   Some other software vendors are going to ignore this anyway.

There are no uknown tags or invalid values.


Rags Gardner
Rags Int., Inc.
204 Trailwood Drive
Euless, TX 76039
(817) 267-2554
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www.rags-int-inc.com
July 15, 2005

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