I hope those folks from Ukraine who have the Kickstarter campaign for a simple folder using the Instax Mini will move on to a box style camera for this film when it comes out. The diagonal is almost 88mm for this format so a lens FL between 80~100mm should suffice, the lens should be able to focus, a simple single rotating thread should do it. I'm really not sure a single element lens of that FL can cover that wide an angle, they have a 110mm FL lens on the current Mini film camera and that is close to a 60mm lens on 35mm in angle of view.