The 150mm f9 Graphic Kowas are supposed to cover up to 5x7 or 4x10 inches, so they are good options for 4x5. I think they would need a professional shutter installation - not all barrel lenses can have a shutter substituted by direct exchange. You will need to research that. You could look at using a Packard shutter or even fabricate a drop blade type. http://www.largeformatphotography.info/ is the place to ask these questions.