Xperia S camera is better than S2 and on par with any other leading smartphone - Iphone 5, GS3, etc or even better in some cases. Check this comparison by our own Desi site Igyaan.
Smartphone Camera Shootout ? Galaxy S3 vs Xperia S vs One X vs Xperia P vs iPhone 4s - iGyaan.in
Xperia S vs...