Photography ISO Quiz

What is ISO in photography?

• A setting that controls focus

• A setting that brightens or darkens a photo

• A type of lens

• A shutter speed option

Increasing ISO results in:

• Darker photos

• Brighter photos

• Faster shutter speeds only

• Smaller apertures

What is a consequence of using too high of an ISO?

• Photos may appear blurry

• Photos may show a lot of grain/noise

• Photos become underexposed

• Photos lose color

When should you raise ISO?

• Whenever you want a darker image

• Only when shutter speed or aperture adjustments are insufficient

• Only when shooting landscapes

• Only when shooting in bright sunlight

What does ISO stand for?

• International Society of Optics

• International Organization for Standardization

• International Standardized Output

• Image Sensitivity Optimization

When was ISO adopted for cameras?

• 1974

• 1980

• 1990

• 1965

Doubling the ISO number will:

• Make the photo half as bright

• Make the photo twice as bright

• Reduce noise

• Slow down shutter speed

What is base ISO?

• The highest ISO on the camera

• The lowest native ISO on the camera

• ISO set by the computer in post-processing

• The ISO for indoor photography only

Why is base ISO important?

• It gives the best image quality with minimal noise

• It makes photos darker

• It speeds up the shutter

• It reduces depth of field

What is the effect of high ISO on image quality?

• Less noise

• More noise

• Brighter but sharper images always

• No effect