Faster films tend to be more grainy with poorer colour response than slower films.
On modern digital cameras you can select the ISO sensitivity on the fly. This ability to quickly switch sensitivity is another attraction of digital cameras. Unfortunately, there is a price to pay for this flexibility. Some recently advancements in sensor technology have improved the situation with many higher end digital cameras capable of sensitivity above ISO 400 without impacting on image quality too greatly. Olympus expands Camedia range Polaroid to lay off 2,000 employees Kodak Pro DCS 720x Zing.