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!