Iso Speed - Canon POWERSHOT S2 IS User Manual

The I SO speed isthe numeric representation ofthe camera's sensitivity to
light. The h igher the ISO speed, the169 higher the sensitivity. Ahigh I SO
speed allows you t oshoot images indark i ndoor oroutdoor conditions
without aflash a nd also h elps prevent blurred images due t ocamera
shake. This i sconvenient when shooting images inplaces where flash
photography isprohibited. The ISO speed setting makes full u se ofthe
available light, resulting inimages that convey the feel ofthe place they
were s hot.
176
ISO 50 equivalent ISO 400 equivalent