Quote Originally Posted by TheFlyingCamera
Also, how close do you want to be able to focus with said lens? If you want to use your ULF for portrait work, you need to be able to focus to 1:1, which is generally 2x focal length of the lens. This of course creates a HUGE bellows to have to manage, especially outdoors where it can turn into a giant sail.
Strictly landscape, so I'll be closing down to f64 and f90 mostly.