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货币世界 发表于 2012-8-18 20:09 
你的照片曝光时间多长?才能照出那漫天旋转的星星?
每張曝光時間不同,視情況而定,感光度高,時間短些,反之一樣..
以下是這張圖資料.
Exif 資料
相機
Nikon D7000
曝光
1547
Aperture
f/16.0
焦距
14 mm
ISO 速度
3200
曝光偏向
+3/2 EV
閃光
Off, Did not fire
Image Width
4928
Image Height
3264
Bits Per Sample
8 8 8
Photometric Interpretation
RGB
Orientation
Horizontal (normal)
Samples Per Pixel
3
X-Resolution
240 dpi
Y-Resolution
240 dpi
Software
Adobe Photoshop CS6 (Windows)
Date and Time (Modified)
2012:07:28 22:40:49
Exposure Program
Manual
Sensitivity Type
Recommended Exposure Index
Date and Time (Original)
2012:07:26 23:51:10
Date and Time (Digitized)
2012:07:26 23:51:10
Max Aperture Value
2.8
Metering Mode
Spot
Light Source
Fine Weather
Sub Sec Time Original
30
Sub Sec Time Digitized
30
Color Space
Uncalibrated
Sensing Method
One-chip color area
CFAPattern
[Red,Green][Green,Blue]
Custom Rendered
Normal
Exposure Mode
Manual
White Balance
Manual
Digital Zoom Ratio
1
Focal Length (35mm format)
21 mm
Scene Capture Type
Standard
Gain Control
High gain up
Contrast
Normal
Saturation
Normal
Sharpness
Normal
Subject Distance Range
Unknown
Serial Number
8142858
Lens Info
14mm f/2.8-1.4
Lens Model
14.0 mm f/2.8
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