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Sigma 18-50mm f/2.8 DC DN Contemporary vs Tamron 11-20mm f/2.8 Di III-A RXD

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

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

  • You need more reach: 50mm vs 20mm at the long end
  • You want bigger close-ups: 0.36× vs 0.25× maximum magnification

Pick the Tamron 11-20mm f/2.8 Di III-A RXD if

  • You want a wider view: 11mm vs 18mm at the wide end
  • You prefer a newer design: released 2024 vs 2021

Spec differences

13 differences
Specifications that differ between the Sigma 18-50mm f/2.8 DC DN Contemporary and the Tamron 11-20mm f/2.8 Di III-A RXD
Sigma 18-50mm f/2.8 DC DN Contemporary Tamron 11-20mm f/2.8 Di III-A RXD
Brand
Sigma
Tamron
Type
Zoom
Wide Zoom
Focal length
18-50mm
11-20mm
Weight
300 g
not listed
Length
74.5 mm
not listed
Diameter
69.2 mm slimmer
73 mm
Filter thread
55 mm
67 mm
Min focus distance
not listed
0.15 m
Max magnification
0.36× larger
0.25×
Optical design
not listed
12 elements / 10 groups
Autofocus motor
Stepping motor
RXD
Weather sealing
not listed
Yes
Released
2021
2024
5 identical specs hidden: mount, format, max aperture, aperture blades, image stabilization. Show all
Mount
Canon RF both
Format
APS-C both
Max aperture
f/2.8 both
Aperture blades
7 both
Image stabilization
No both

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