Lighting Exercise 1 - Grey Cards

Here are the results of our shared assignment 1:

1. Grey card (middle) at 400 ISO and f16:

 2 ft = 0.25 s
 4 ft = 0.8 s
 8 ft = 3.0 s
 16 ft = 13.0 s

2. White/Black/Grey card at f11 and 0.8 s

  black = 3'8"
  grey = 6'9"
  white = 12'2'

Yeah, team!