ISO Review

Why is this picture so grainy/noisy?

• High ISO

• Low ISO

Why ISN'T this picture grainy/noisy?

• High ISO

• Low ISO

What ISO would you use and why?

• Low ISO, because it's nighttime.

• High ISO, because it's nighttime.

This photo used a slow shutter speed to create the light streaks. What ISO would you use and why?

• It's night, so I'd usually use a high ISO. But the slow shutter speed lets in plenty of light so I'd use a low ISO.

• It's night, so I'd usually use a low ISO. But the slow shutter speed lets in little light so I'd use a high ISO.

What ISO would you use and why?

• It's nighttime, so I'd usually use a High ISO. Also, shutter speed must have been somewhat fast to freeze the person, so not much light entered the camera. Therefore, I'd use a High ISO.

• It's nighttime, so I'd usually use a Low ISO. Also, shutter speed must have been somewhat slow to freeze the person, so not much light entered the camera. Therefore, I'd use a Low ISO.

What ISO would you use and why?

• High ISO - there isn't much light available.

• Low ISO - there isn't much light available.

• High ISO - there is plenty of light available.

• Low ISO - there is plenty of light available.

What ISO would you use?

• Low

• High

What ISO would you use and why?

• Low, there's lots of light.

• Medium, there's not a lot of light, but it's also not dark.

• High, there is lots of light available.

What ISO would you use IF you were also using a tripod?

• High, there's not a lot of light and my shutter speed needs to be fast.

• Low, there's not a lot of light but my shutter speed can be slow due to the tripod.

What ISO would you use?

• High

• Medium

• Low