Compare lenses

Nikon Z 14-30mm f/4 S vs Tamron 12-20mm f/2.8

The Nikon Z 14-30mm f/4 S and the Tamron 12-20mm f/2.8 side by side, computed from this guide's catalogue.

Which to pick

Pick the Nikon Z 14-30mm f/4 S if you want more reach (to 30mm equivalent) and a lighter lens (485 g against 570 g). Pick the Tamron 12-20mm f/2.8 if you want a brighter f/2.8 (1.0 stops more light), for dim light and softer backgrounds; a wider view (from 12mm equivalent); and a fit on more cameras (57 against 16 in this guide).

Still torn? Ask the guide about the Nikon Z 14-30mm f/4 S and the Tamron 12-20mm f/2.8

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
SpecNikon Z 14-30mm f/4 STamron 12-20mm f/2.8
MakerNikonTamron
Focal length14-30mm (zoom)12-20mm (zoom)
Full-frame equivalent14-30mm12-20mm
Maximum aperturef/4f/2.8brighter
Made forFull frameFull frame
MountsNikon ZSony E, Nikon Z
Stabilisednono
Autofocusyesyes
Zoom range2.1×more range1.7×
Weight485 glighter570 g
Cameras it fits16 in this guide57 in this guidefits more cameras

Focal range, in full-frame terms

142435508513520040080014-30mm equiv.Nikon
Nikon Z 14-30mm f/4 S: 14-30mm.
142435508513520040080012-20mm equiv.Tamron
Tamron 12-20mm f/2.8: 12-20mm.

Aperture

f/4
Nikon Z 14-30mm f/4 S: f/4 wide open.
f/2.8
Tamron 12-20mm f/2.8: f/2.8 wide open.

Each opening drawn to scale against f/1.4: a smaller f-number lets in more light and blurs the background more.

Field of view

Tamron at 12mm · 113°Nikon at 14mm · 104°Tamron at 20mm · 84°Nikon at 30mm · 62°
How wide each sees, at each end, on the sensor it was made for.

Cameras they fit

16 cameras in this guide take both, so either works on the same body. In all, the Nikon Z 14-30mm f/4 S fits 16 and the Tamron 12-20mm f/2.8 57.

Nikon Z 14-30mm f/4 S

and 6 more

Tamron 12-20mm f/2.8

and 47 more

On their own pages