Their sentences in short:
- surprised by the smallness of their size, both length and diameter (but it becomes very long when you are at 9mm)
- fast autofocus (compared with older Olympus MFT lenses)
- 9 mm shows a significant distortion
- best results working with an aperture of f/8
- almost no vignetting
- moderate CA (Chromatic aberration)
Worldwide shipping starts on April 23!