A Camera Lens Is Initially Set at F/8 for a Shutter

question 6

Multiple Choice

A camera lens is initially set at f/8 for a shutter speed of 1/250 s.If the amount of lighting on the subject is unchanged,and the lens is set at f/4,what is the proper shutter speed at this setting?

• A)1/1000 s
• B)1/500 s
• C)1/250 s
• D)1/2 s
• E)1/8​ s