'it packs a 7-megpaixel CCD sensor, a 2.5-inch LCD screen and a good set of other features into a case that's just 0.8 inches thick and has a clean, sparse design.'
'slim, stylish, full-featured'
'The dedicated test for colours produces a result that is less vivid than I am used to seeing.'
'is more feature-packed than most other ultra-compacts.'
'The Optio S5i features a new Sport mode that sets the camera for shutter speed-priority to enable spur of the moment shooting while Pan focusing mode ensures optimal focusing from close range to infinity'
'dark, noisy images'
'One-handed operation is awkward if you want to rest one finger on the shutter release while thumbing the back-mounted zoom rocker.'
'With the optional, acrylic waterproof housing that is newly-designed for the Optio S4i, everywhere may well include the exciting world of underwater digital photography'
'large prints and full-size viewing it's disappointing.'
'If you have large hands, the S4i's small size will pose a challenge when you try to change the zoom with your thumb and keep your finger on the trigger while holding the camera one-handed.'
'Unfortunately, the resolution of the screen is not so hot, with just 85k pixels (compare that with 118k pixels on the PowerShot S410's 1.5" display).'