Mouse over and out of each image to see the differences between adjacent ISO values (eg 100 vs 200)

ISO 100 <=> ISO 200

ISO 200 <=> ISO 400

ISO 400 <=> ISO 800

ISO 800 <=> ISO 1600

ISO 1600 <=> ISO 3200

ISO 3200 <=> ISO 6400

ISO 6400 <=> ISO 12800

ISO 12800 <=> ISO 25600