Thanks for all of the responses! as of right now i cant buy a light meter, my grandfather might have an old one laying around but im not sure. lets forget that the ISOs are not proportional/do not match up. if i meter the scene with my D60, can i pull the exact exposure that i like(shutter speed, f/stop, and what not) and use that same thing on my 4x5? the speeds and aperture will not change even though it is a larger format? i just have trouble wrapping my mind around the fact that even though a 2.4 190mm SLR lens is so much bigger, it lets in just as much light as a 2.4 190mm large format lens