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Sigma 18-50mm f/2.8 EX DC vs Tamron SP 15-30mm f/2.8 Di VC USD G2 (A041)

Both are Canon EF lenses. Here is what actually differs.

Pick the Sigma 18-50mm f/2.8 EX DC if

  • You need more reach: 50mm vs 30mm at the long end

Pick the Tamron SP 15-30mm f/2.8 Di VC USD G2 (A041) if

  • You want a wider view: 15mm vs 18mm at the wide end
  • You shoot handheld in dim light or video: it has optical image stabilization and the Sigma 18-50mm f/2.8 EX DC does not
  • You care about the shape of out-of-focus highlights: 9 aperture blades vs 7
  • Our notes say it suits: Landscape, architecture, astro

Spec differences

14 differences
Specifications that differ between the Sigma 18-50mm f/2.8 EX DC and the Tamron SP 15-30mm f/2.8 Di VC USD G2 (A041)
Sigma 18-50mm f/2.8 EX DC Tamron SP 15-30mm f/2.8 Di VC USD G2 (A041)
Brand
Sigma
Tamron
Type
Zoom
Wide Zoom
Format
not listed
Full frame
Focal length
18-50mm
15-30mm
Weight
not listed
1110 g
Length
not listed
145 mm
Diameter
not listed
98.4 mm
Filter thread
67 mm
not listed
Aperture blades
7
9 more blades
Optical design
15 elements / 13 groups
18 elements / 13 groups
Autofocus motor
not listed
USD
Image stabilization
No
Yes stabilized
Weather sealing
not listed
Yes
Released
not listed
2018
4 identical specs hidden: mount, max aperture, min focus distance, max magnification. Show all
Mount
Canon EF both
Max aperture
f/2.8 both
Min focus distance
0.28 m both
Max magnification
0.2× both

Our notes

Sigma 18-50mm f/2.8 EX DC

A 18-50mm f/2.8 APS-C fast standard zoom lens, the Sigma 18-50mm f/2.8 EX DC is designed for Canon EF mount bodies. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.

Our notes

Tamron SP 15-30mm f/2.8 Di VC USD G2 (A041)

A wide-angle f/2.8 zoom with VC stabilization for full-frame DSLRs. It has a bulbous front element.

Pros

  • f/2.8 with VC
  • Sharp
  • Strong build

Cons

  • No screw-in front filter thread
  • Heavy

More comparisons

Compare other lenses or browse our best-of guides.