$ exif 12838-full.jpg 
EXIF tags in '12838-full.jpg' ('Intel' byte order):
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Tag                 |Value                                                     
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Manufacturer        |NIKON CORPORATION                                         
Model               |NIKON D40X                                                
Orientation         |top - left                                                
x-Resolution        |300.00                                                    
y-Resolution        |300.00                                                    
Resolution Unit     |Inch                                                      
Software            |Adobe Photoshop CS3 Windows                               
Date and Time       |2008:01:31 12:00:13                                       
YCbCr Positioning   |centered                                                  
Compression         |JPEG compression                                          
x-Resolution        |72.00                                                     
y-Resolution        |72.00                                                     
Resolution Unit     |Inch                                                      
Exposure Time       |1/60 sec.                                                 
FNumber             |f/4.0                                                     
ExposureProgram     |Not defined                                               
ISO Speed Ratings   |200                                                       
Exif Version        |Exif Version 2.21                                         
Date and Time (origi|2008:01:29 18:31:30                                       
Date and Time (digit|2008:01:29 18:31:30                                       
ComponentsConfigurat|Y Cb Cr -                                                 
Exposure Bias       |0.00 EV                                                   
MaxApertureValue    |3.60 EV (f/3.5)                                           
Metering Mode       |Pattern                                                   
Light Source        |0                                                         
Flash               |Flash fired, auto mode, return light detected.            
Focal Length        |18.0 mm                                                   
User Comment        |                                                          
SubsecTime          |70                                                        
SubSecTimeOriginal  |70                                                        
SubSecTimeDigitized |70                                                        
FlashPixVersion     |FlashPix Version 1.0                                      
Color Space         |sRGB                                                      
PixelXDimension     |1400                                                      
PixelYDimension     |937                                                       
Sensing Method      |One-chip color area sensor                                
File Source         |DSC                                                       
Scene Type          |1                                                         
CFA Pattern         |                                                          
Custom Rendered     |Normal process                                            
Exposure Mode       |Auto exposure                                             
White Balance       |Auto white balance                                        
Digital Zoom Ratio  |1.00                                                      
Focal Length In 35mm|27                                                        
Scene Capture Type  |Standard                                                  
Gain Control        |Normal                                                    
Contrast            |Soft                                                      
Saturation          |Normal                                                    
Sharpness           |Normal                                                    
Subject Distance Ran|Unknown                                                   
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EXIF data contains a thumbnail (5855 bytes).