I want to shoot 4x5 Delta 100 film, with a Wollensak Verito 9 inch f4 lens. The "regular" shutter is erratic so I want to hand expose the shot.
I have three ND filters: a 2X, a 4X and an 8X. Will I be able to slow down Delta 100 to 1 sec or so? Assuming the light cooperates.

Thanks