Sigma
28mm F1.4 DG HSM Art
(Nikon)
2018-09-25
Yes
1399
83 x 83 x 108 mm.
includes an electromagnetic diaphragm mechanism
FX
Full frame / 1.00x
No
28-28 mm.
28
1.00x
No
No / n.a.

Aperture

f/1.4
9
No

Focus

Yes
Yes
28 cm.
0.19x

Build

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