To differentiate it to newbies, or those feeling gingerly Canon Digital IXUS 50 TWAIN on the top plate as their eyes are otherwise focused on their subject, this control is smaller than the shutter release and also slightly set into the metalwork — both helping to avoid accidental activation. Press it and the camera powers up quickly — our estimate is just under two seconds as the rear LCD screens blinks into life and the retracted zoom lens extends outward[…]
