Skip to content
Menu

Tamron 11-20mm f/2.8 Di III-A RXD vs 16-50mm f/2.8 A

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

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

  • You want a wider view: 11mm vs 16mm at the wide end
  • You want bigger close-ups: 0.25× vs 0.22× maximum magnification

Pick the 16-50mm f/2.8 A if

  • You need more reach: 50mm vs 20mm at the long end
  • You prefer a newer design: released 2026 vs 2024

Spec differences

10 differences
Specifications that differ between the Tamron 11-20mm f/2.8 Di III-A RXD and the Tamron 16-50mm f/2.8 A
11-20mm f/2.8 Di III-A RXD 16-50mm f/2.8 A
Type
Wide Zoom
Zoom
Format
APS-C
not listed
Focal length
11-20mm
16-50mm
Weight
not listed
305 g
Diameter
73 mm
not listed
Filter thread
67 mm
55 mm
Max magnification
0.25× larger
0.22×
Optical design
12 elements / 10 groups
14 elements / 10 groups
Autofocus motor
RXD
not listed
Released
2024
2026
7 identical specs hidden: brand, mount, max aperture, min focus distance, aperture blades, image stabilization, weather sealing. Show all
Brand
Tamron both
Mount
Canon RF both
Max aperture
f/2.8 both
Min focus distance
0.15 m both
Aperture blades
7 both
Image stabilization
No both
Weather sealing
Yes both

More comparisons

Compare other lenses or browse our best-of guides.