ISO

ISO

 200

3200

1.The higher ISO it has noise it adds grain to the picture and gets a better shot.
2. That when there is plenty of light you should always use the lowest ISO to retain the most detail and to have the highest image quality and there are some cases where you might want to use low ISO in dim or dark environments.
3. He suggested that you should increase the ISO when there is not enough light for the am era to be able yo quickly capture an image.