Episode 1: The Phantom Film Studio; Hopes and Doubts Greet a Plan for Sound Stages at the Brooklyn Navy Yard
Proposal to build mammoth movie-making complex at Brooklyn Navy Yard continues to lurch along; it is still not entirely clear whether project, proposed in May by Robert De Niro's TriBeCa Productions and Harvey Weinstein's Miramax Films, will go forward and what it would mean for other sound-stage projects being proposed in New York; potential lenders are still studying proposal, which has commitments for less than half the $150 million in financing it needs to go forward; Marc H Rosenbaum, president of Brooklyn Navy Yard Development Corp, is optimistic about plans for film production; photos (L)