Voici.

Je trouve les images de bases très fades, voire sur-exposées.
Cependant, rien n'indique un mauvais réglage.

Voici l'EXIF complet pour info de la première image

File Name IMG_1936.JPG
Camera Model Canon EOS 550D
Firmware Firmware Version 1.0.9
Shooting Date/Time 9/1/2014 1:16:43 PM

Shooting Mode Aperture-Priority AE
Tv( Shutter Speed ) 1/400
Av( Aperture Value ) 5.6
Metering Mode Evaluative Metering
Exposure Compensation 0
Autoexposure Bracketing 0
ISO Speed 400
Auto ISO Speed OFF

Lens EF-S55-250mm f/4-5.6 IS
Focal Length 250.0 mm

Image Size 5184x3456
Image Quality Fine

Flash Off
FE lock OFF

White Balance Mode Auto

AF Mode One-Shot AF
AF area select mode Manual selection

Picture Style Landscape
Sharpness 4
Contrast 0
Saturation 0
Color tone 0
Color Space sRGB

Long exposure noise reduction 0:Off
High ISO speed noise reduction 0:Standard

Highlight tone priority 0isable
Auto Lighting Optimizer Low
Peripheral illumination correction Enable

Dust Delete Data No
File Size 8667 KB

Drive Mode Continuous shooting
Live View Shooting OFF
Camera Body No. 2633350366