In this summary you can write just one thing: aces of the photographical market, it’s high time you got down to work seriously! If Samyang is able to launch a 540$ lens which, when it comes to the image quality, is only slightly worse than the Canon 35L, which can compete on equal terms with the...
very good, momentarily even splendid image quality in the frame centre,, good image quality on the edge, even on full frame,, low lateral chromatic aberration,, moderate distortion,, splendidly corrected astigmatism,, the smallest vignetting in the 1.4/35 class lenses,, decent work against bright...
visible longitudinal chromatic aberration,, noticeable coma.