Hi: I shoot 8X10 and use use standard film holders (fidelity) but with anodised aluminum dark slides --- as standard dark slide material easily develop cracks and light leaks. On larger than 8x10 I think I would opt for .016-.020 stainless steel which is heavy but safe!
LARRY _______________________________________________ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers