I can feel a lens test coming on...  I'm only waiting on three more lenses and then I'll do it and share with everyone. I haven't completely worked out how I should do it, any specific advice?  I'll shoot RAW stills on my GH5 with each lens at a few apertures - probably wide open, f2.8, and f8.  I find that the most useful lens test is at an identical aperture at least a stop from wide-open for any lens as the differences aren't to do with aperture settings or how sharp they are wide open,