Sigma 16-300mm f/3.5-6.7 DC OS Contemporary vs Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD

Both are Nikon Z superzoom lenses for APS-C. Here is what actually differs.

Sigma · 2025

16-300mm f/3.5-6.7 DC OS Contemporary

f/3.5630 gLinear motor

Full specs

Tamron · 2025

18-300mm f/3.5-6.3 Di III-A VC VXD

f/3.5VXD

Check price Full specs

Pick the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary if

You want a wider view: 16mm vs 18mm at the wide end
You care about the shape of out-of-focus highlights: 9 aperture blades vs 7

Pick the Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD if

Our spec data shows no clear advantage for this lens.

Spec differences

9 differences

Specifications that differ between the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary and the Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD
	Sigma 16-300mm f/3.5-6.7 DC OS Contemporary	Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD
Brand	Sigma	Tamron
Focal length	16-300mm	18-300mm
Weight	630 g	not listed
Length	125.4 mm	not listed
Diameter	73.8 mm	75.5 mm
Min focus distance	not listed	0.15 m
Aperture blades	9 more blades	7
Optical design	20 elements / 14 groups	19 elements / 15 groups
Autofocus motor	Linear motor	VXD

9 identical specs hidden: mount, type, format, max aperture, filter thread, max magnification, image stabilization, weather sealing, released. Show all

Mount: Nikon Z both
Type: Superzoom both
Format: APS-C both
Max aperture: f/3.5 both
Filter thread: 67 mm both
Max magnification: 0.5× both
Image stabilization: Yes both
Weather sealing: Yes both
Released: 2025 both