Tamron 18-300mm F3.5-6.3 B061 RF vs Sigma 16-300mm f/3.5-6.7 DC OS Contemporary

Both are Canon RF superzoom lenses for APS-C. Here is what actually differs.

Tamron · 2025

18-300mm F3.5-6.3 B061 RF

f/3.5VXD

Full specs

Sigma · 2025

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

f/3.5625 gLinear motor

Check price Full specs

Pick the Tamron 18-300mm F3.5-6.3 B061 RF if

Our spec data shows no clear advantage for this lens.

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

Spec differences

9 differences

Specifications that differ between the Tamron 18-300mm F3.5-6.3 B061 RF and the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary
	Tamron 18-300mm F3.5-6.3 B061 RF	Sigma 16-300mm f/3.5-6.7 DC OS Contemporary
Brand	Tamron	Sigma
Focal length	18-300mm	16-300mm
Weight	not listed	625 g
Length	not listed	121.4 mm
Diameter	75.5 mm	73.8 mm
Min focus distance	0.15 m	not listed
Aperture blades	7	9 more blades
Optical design	19 elements / 15 groups	20 elements / 14 groups
Autofocus motor	VXD	Linear motor

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

Mount: Canon RF 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

Our notes

Tamron 18-300mm F3.5-6.3 B061 RF

Tamron 18-300mm F3.5-6.3 B061 RF: a superzoom lens with a 18-300mm focal length and a maximum aperture of f/3.5-6.3, made for Canon RF mount cameras. The wide-to-tele range makes it a one-lens option for travel and everyday shooting.

Our notes