Tamron 17-70mm F2.8 B070 Z/RF/X/E vs Laowa 10-18mm f/4.5-5.6 FE Zoom

Both are Nikon Z lenses. Here is what actually differs.

Tamron · 2026

Pick the Tamron 17-70mm F2.8 B070 Z/RF/X/E if

You need 1⅓ stops more light for low light or background blur (f/2.8 vs f/4.5)
You need more reach: 70mm vs 18mm at the long end
You shoot handheld in dim light or video: it has optical image stabilization and the Laowa 10-18mm f/4.5-5.6 FE Zoom does not
You want autofocus (RXD): the Laowa 10-18mm f/4.5-5.6 FE Zoom is manual focus only
You care about the shape of out-of-focus highlights: 9 aperture blades vs 5

Pick the Laowa 10-18mm f/4.5-5.6 FE Zoom if

You want a wider view: 10mm vs 17mm at the wide end
You shoot close-ups: it focuses down to 0.15 m vs 0.19 m
You want bigger close-ups: 0.25× vs 0.21× maximum magnification
You shoot full frame: the Tamron 17-70mm F2.8 B070 Z/RF/X/E is made for APS-C

Spec differences

15 differences

Specifications that differ between the Tamron 17-70mm F2.8 B070 Z/RF/X/E and the Laowa 10-18mm f/4.5-5.6 FE Zoom
	Tamron 17-70mm F2.8 B070 Z/RF/X/E	Laowa 10-18mm f/4.5-5.6 FE Zoom
Brand	Tamron	Laowa
Type	Zoom	Wide Zoom
Format	APS-C	Full frame
Focal length	17-70mm	10-18mm
Max aperture	f/2.8 1⅓ stops faster	f/4.5
Diameter	74.6 mm	not listed
Filter thread	67 mm	37 mm
Min focus distance	0.19 m	0.15 m closer
Max magnification	0.21×	0.25× larger
Aperture blades	9 more blades	5
Optical design	16 elements / 12 groups	14 elements / 10 groups
Autofocus motor	RXD	Manual focus
Image stabilization	Yes stabilized	No
Weather sealing	Yes	not listed
Released	2026	not listed

1 identical spec hidden: mount. Show all

Mount: Nikon Z both

Our notes

Tamron 17-70mm F2.8 B070 Z/RF/X/E

Tamron 17-70mm F2.8 B070 Z/RF/X/E: a fast standard zoom lens with a 17-70mm focal length and a maximum aperture of f/2.8, made for Nikon Z mount cameras. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.

Our notes

Laowa 10-18mm f/4.5-5.6 FE Zoom

The Laowa 10-18mm f/4.5-5.6 FE Zoom is a full-frame wide-angle zoom lens covering 10-18mm at f/4.5-5.6 for Nikon Z mount cameras. It covers wide angles for landscapes, interiors and architecture.