To Larry:
Actually, I had already used TWO strobes.....
Thanks for your advise. I will keep working on my even lighting.
To Eric:
Our trip was postponed one week because typhoon, too. Next time, when you visit Taiwan, we can dive in Lan Yu or Green island.
To Scubadru:
I was really lucky. The weather was good the water was very clear.
Everything was just excellent !
No typhoon ~~~
Nikon D70 + 10.5mm + Sea&Sea Housing + SUBAL SB-800 x2