ujel bausad

i plan to shot underwater next week and this my first time for underwater shot. can somebody tell me tips for my first shot? i plan use Z1 ( with underwater casing ) and natural light from sun. i dont know what the best time for shot or best setting for my camera. please help me if someone know how i must to do under the water. thanks...

i am indonesian cameramen... if u search cameramen for shoting in indonesia u can email me.. zero_ujel@yahoo.co.id just check my work in : www.youtube.com/ujel regard