Graflex Speed Graphic is the best way if you want to use high speed portrait barrel lens. But it's quiet hard to find 5x7 or 8x10 speed graflex. Usually you should cut it into half and make mount for both sides to convert it into a universal shutter. Now with 3D printing technology you can make this conversion reversiable and more robust.
here is the link to 3D printing file. It's for 24 speed Graflex Speed Graphic only, since there's no shutter release connector on the panel of 8 speed models
https://www.printables.com/model/555...ra-to-sinar-mo
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