>>4112476Zero demand because even if costs were the same the IQ benefit is actually pretty small. However the camera is massive. This example is still much smaller than a digital back attached to a view camera (yes, they still make those). The market for people that actually need the slight advantage is minuscule, but constant enough to warrant a product at all. Those that want the product are already standing on a mountain above everyone else and don't really need the product that badly. Development is therefore slow.