Claudia.sg - Guess the correct cameras part 2

Claudia.sg - Guess the correct cameras part 2

Link: http://claudia.sg/2008/09/guess-the-correct-cameras-part-2/
Contest type: Online - Email
Prizes: 1x Mystery Prize
Closing date: 12th September 2008, 2359h
Others: Refer to site for more information about the contest. No T&C, join at own risk.
(may post my answers later)

My comments
Prize’s Value: $?
Time Spent: 5 mins or less
Winning rate: Maybe, If you are right