hue difference by camera

orginalfixed
iPhone 4
HDR Off		 iPhone 4 iPhone 4 (modified)
iPhone 4
HDR On		 iPhone 4 HDR iPhone 4 HDR (modified)
iPhone 3GS iPhone 3GS iPhone 3GS (modified)
OLYMPUS
C2040ZOOM		 C2040ZOOM C2040ZOOM (modified)