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Canon RF 15-35mm F2.8 L IS USM vs Tamron 16-50mm f/2.8 A

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

Pick the Canon RF 15-35mm F2.8 L IS USM if

  • You want a wider view: 15mm vs 16mm at the wide end
  • You shoot handheld in dim light or video: it has optical image stabilization and the Tamron 16-50mm f/2.8 A does not
  • You care about the shape of out-of-focus highlights: 9 aperture blades vs 7
  • Our notes say it suits: Landscapes and astro, events and interiors, video

Pick the Tamron 16-50mm f/2.8 A if

  • You want the lighter lens to carry: 535 g lighter (305 g vs 840 g)
  • You need more reach: 50mm vs 35mm at the long end
  • You shoot close-ups: it focuses down to 0.15 m vs 0.28 m
  • You prefer a newer design: released 2026 vs 2019

Spec differences

16 differences
Specifications that differ between the Canon RF 15-35mm F2.8 L IS USM and the Tamron 16-50mm f/2.8 A
Canon RF 15-35mm F2.8 L IS USM Tamron 16-50mm f/2.8 A
Brand
Canon
Tamron
Type
Wide Zoom
Zoom
Format
Full frame
not listed
Focal length
15-35mm
16-50mm
Weight
840 g
305 g lighter
Length
126.8 mm
not listed
Diameter
88.5 mm
not listed
Filter thread
82 mm
55 mm
Min focus distance
0.28 m
0.15 m closer
Max magnification
0.21×
0.22× larger
Aperture blades
9 more blades
7
Optical design
16 elements / 12 groups
14 elements / 10 groups
Autofocus motor
USM
not listed
Image stabilization
Yes stabilized
No
Weather sealing
not listed
Yes
Released
2019
2026
2 identical specs hidden: mount, max aperture. Show all
Mount
Canon RF both
Max aperture
f/2.8 both

Our notes

Canon RF 15-35mm F2.8 L IS USM

A wide-angle zoom for Canon RF full-frame cameras with a constant f/2.8 aperture and image stabilization, for landscape, event and video work.

Pros

  • Constant f/2.8
  • Image stabilization
  • Weather-sealed L build
  • Sharp across the frame

Cons

  • Heavy for a wide zoom (840 g)
  • 82mm filter thread
  • Relies on in-camera correction

Our notes

Tamron 16-50mm f/2.8 A

More comparisons

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