When that happens, I'll buy one. There are some difficulties with the distance between the sensor and lens (flange distance) being so different between DSLR and

When that happens, I'll buy one. There are some difficulties with the distance between the sensor and lens (flange distance) being so different between DSLR and mirrorless but surely there will be a sensible solution at some point. https://en.m.wikipedia.org/wiki/Flange_focal_distance https://en.m.wikipedia.org/wiki/Flange_focal_distance