Sigma
28mm F1.4 DG HSM Art
(Nikon)
2018-09-25
In production
83 x 83 x 108
includes an electromagnetic diaphragm mechanism
Nikon FX (full frame)
No
28
28
1.00
No
No / n.a.
1.40
9
No

Focus

Yes
Yes
28
0.19

Build

No
17/12
3 aspherical, 2 fluorite-like low dispersion, 3 special low dispersion
77
Yes