Changing the f-number of a camera by two stops by going from f/16 ...

[WWatsford]

Changing the f-number of a camera by two stops by going from f/16 to f/8 will change the intensity of the light hitting the film by a factor of:
 a. 4.
  c. 1/4.
  b. 1/2.
  d. 2.

Question 2

A camera uses a:
 a. diverging lens to form an imaginary image.
  b. converging lens to form a real image.
  c. converging lens to form an imaginary image.
  d. diverging lens to form a real image.

[lucas dlamini]

Answer to Question 1

A

Answer to Question 2

B

[WWatsford]

Thanks for the timely response, appreciate it

[phuda]

Gracias!