Maxima Clam, AI Vegas

[halwake]

Have my new Maxima Clam sitting on the bottom approx 30 inches away from my AI Vegas lighting from above. I have 4 Vega units above my 5 foot tank. Would there be enough light for the clam or should I try to move him higher up in the tank? He is open great when the lights are on and he is very responsive but I am told they need a ton of light. What does everyone think? I don't really have a spot higher up I feel would look good though, but if it came down to it I would make it work.