pour répondre au message de fg06
voici ce que me dit le site regex.info pour voir les exif sur une des images qui compose le stack
Basic Image Information
Target file: IMG_2720.JPG
Camera: Canon EOS 6D
Lens: Canon MP-E 65mm f/2.8 1-5x Macro Photo
Shot at 65 mm
Exposure: Manual exposure, 1/166 sec, f/5.6, ISO 100
Flash: On, Fired
Focus: Manual Focus (3), with a depth of field of from 0.24 m to 0.24 m.
AF Area Mode: Off (Manual Focus)
Date: April 23, 2013 11:05:36PM (timezone not specified)
(3 years, 1 month, 11 days, 17 hours, 57 minutes, 26 seconds ago, assuming image timezone of GMT)
Time Zone Offset: London
Time Zone Offset: +00:00
File: 2,736 × 1,824 JPEG (5.0 megapixels)
1,060,600 bytes (1.0 megabytes)
Color Encoding: WARNING: Color space tagged as sRGB, without an embedded color profile. Windows and Mac browsers and apps treat the colors randomly.
Images for the web are most widely viewable when in the sRGB color space and with an embedded color profile. See my Introduction to Digital-Image Color Spaces for more information.