iso in Photography

What does ISO primarily control in photography?

• The physical amount of light hitting the sensor.

• The speed at which the camera's shutter opens and closes.

• The digital sensitivity of the image sensor to light.

• The depth of field in an image.

What are the potential negative effects of using high ISO settings in photography?

• Increased noise in the image.

• Reduced color accuracy.

• Reduced dynamic range.

• All of the above.

What is considered the "Base ISO" of a camera?

• The highest ISO setting available.

• The lowest ISO value that produces the best image quality and lowest noise.

• The default ISO setting for automatic mode.

• The average ISO used for indoor photography.

In which photography situations would a photographer most likely need to use high ISO values?

• Outdoor photography with plenty of ambient light.

• Indoor photography with bright artificial lighting.

• Night photography or astrophotography.

• Photography requiring a shallow depth of field.