有数据啊,我打开片子一看,数据如下,所以,我不知道为什么了?
Make = NIKON CORPORATION
Model = NIKON D2X
Orientation = top/left
X Resolution = 240
Y Resolution = 240
Resolution Unit = inch
Software = Adobe Photoshop CS2 Windows
Date Time = 2007-01-19 20:58:31
White Point = [0/1000000, 0/1000000]
Primary Chromaticities = [0/1000000, 0/1000000, 0/1000000, 0/1000000, 0/1000000, 0/1000000]
YCbCr Coefficients = 0/1000000, 0/1000000, 0/1000000
YCbCr Positioning = 0
Reference Black White = [0/1000000, 0/1000000, 0/1000000, 0/1000000, 0/1000000, 0/1000000]
Exif IFD Pointer = Offset: 412
[Camera]
Exposure Time = 1/1000"
F Number = F2.8
Exposure Program = Shutter priority
ISO Speed Ratings = 100, 100
Exif Version = Version 2.21
Date Time Original = 2006-11-21 17:00:33
Date Time Digitized = 2006-11-21 17:00:33
Compressed Bits Per Pixel = 0
Shutter Speed Value = 9.97 TV
Aperture Value = 2.97 AV
Brightness Value = 0 BV
Exposure Bias Value = ?EV
Max Aperture Value = F2.83
Subject Distance = Unknown
Metering Mode = Pattern
Light Source = unknown
Flash = Off
Focal Length = 200mm
Subsec Time Original =
Subsec Time Digitized =
Color Space = Uncalibrated
Exif Image Width = 800
Exif Image Height = 800
Focal Plane X Resolution = 0
Focal Plane Y Resolution = 0
Focal Plane Resolution Unit = 0
Exposure Index = 0
Sensing Method = One-chip color area sensor
File Source = 3
Scene Type = 1
[Thumbnail Info]
Compression = JPEG Compressed (Thumbnail)
X Resolution = 72
Y Resolution = 72
Resolution Unit = inch
JPEG Interchange Format = Offset: 1018
JPEG Interchange Format Length = Length: 6265
[Thumbnail]
Thumbnail = 160 x 160