Les infos sont dans les données exif de l'image
Moi j'utilise exif viewer, qui permet de voir les exifs direct avec Mozilla Firefox
Exif IFD0
* Camera Make = NIKON CORPORATION
* Camera Model = NIKON D80
* Picture Orientation = normal (1)
* X-Resolution = 300/1 = 300
* Y-Resolution = 300/1 = 300
* X/Y-Resolution Unit = inch (2)
* Software/Firmware Version = Adobe Photoshop CS2 Windows
* Last Modified Date/Time = 2009:04:09 22:26:49
* Y/Cb/Cr Positioning (Subsampling) = co-sited / datum point (2)
# Exposure Time (1 / Shutter Speed) = 10/600 second = 1/60 second = 0.01667 second
# Lens F-Number/F-Stop = 63/10 = F6.3
# Exposure Program = aperture priority (3)
# ISO Speed Ratings = 100
# Exif Version = 0221
# Original Date/Time = 2009:04:09 18:32:40
# Digitization Date/Time = 2009:04:09 18:32:40
# Components Configuration = 0x01,0x02,0x03,0x00 / YCbCr
# Compressed Bits per Pixel = 4/1 = 4
# Exposure Bias (EV) = -2/6 = -0.33
# Max Aperture Value (APEX) = 45/10 = 4.5
Max Aperture = F4.76
# Metering Mode = pattern / multi-segment (5)
# Light Source / White Balance = unknown (0)
# Flash = Flash did not fire
# Focal Length = 1050/10 mm = 105 mm
# User Comment (Hex) = 0x41,0x53,0x43,0x49,0x49,0x00,0x00,0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20
User Comment Character Code = ASCII
User Comment =
# Last Modified Subsecond Time = 20
# Original Subsecond Time = 20
# Digitized Subsecond Time = 20
# FlashPix Version = 0100
# Colour Space = sRGB (1)
# Image Width = 800 pixels
# Image Height = 553 pixels
# Image Sensing Method = one-chip color area sensor (2)
# Image Source = digital still camera (DSC)
# Scene Type = directly photographed image
# Colour Filter Array (CFA) Geometric Pattern = 0x00,0x02,0x00,0x02,0x01,0x02,0x00,0x01
# Custom Rendered = normal process (0)
# Exposure Mode = auto exposure (0)
# White Balance = auto (0)
# Digital Zoom Ratio = 1/1 = 1
# Focal Length in 35mm Film = 157
# Scene Capture Type = standard (0)
# Gain Control = n/a (0)
# Contrast = hard (2)
# Saturation = normal (0)
# Sharpness = normal (0)
# Subject Distance Range = unknown (0)