FE
Full frame / 1.00x
No
50 mm.
50 mm.
1.00x
No
No / n.a.
Aperture
f/1.8
7
No
No
No
Focus
Yes
No
Indirect
No
45 cm.
0.14x (35mm. equiv)
Build
No
6/5
1 aspherical
49 mm.
No
Yes
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Pros: very good image quality in the frame centre, good image quality on the edge of the APS-C sensor, low longitudinal chromatic aberration, imperceptible lateral chromatic aberration, lack of spherical aberration, negligible distortion, slight astigmatism, low vignetting on the APS-C sensor, pleasant out-of-focus areas, quiet AF.
Cons: image quality near max aperture on the edges could have been a bit better, huge coma, vignetting on full frame, slow AF.