Canon EF 16-35mm f/4L IS USM vs Tamron SP AF 17-50mm f/2.8 XR Di II LD Aspherical (IF)

Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.

Canon

EF 16-35mm f/4L IS USM

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Tamron

SP AF 17-50mm f/2.8 XR Di II LD Aspherical (IF)

Verdict at a glance

Canon EF 16-35mm f/4L IS USM goes wider (16mm vs 17mm).
Tamron SP AF 17-50mm f/2.8 XR Di II LD Aspherical (IF) reaches further (50mm vs 35mm).

Specification comparison
Spec	EF 16-35mm f/4L IS USM	SP AF 17-50mm f/2.8 XR Di II LD Aspherical (IF)
Brand	Canon	Tamron
Mount	Canon EF	Canon EF
Type	Wide Zoom	Zoom
Focal length	16-35mm (wider)	17-50mm
Max aperture	f/16.0 (faster)	f/17.0
Released	2014	n/a
Blades	9	n/a
Format	full-frame	aps-c
Groups	12	n/a
Af motor	USM	n/a
Elements	16	n/a
Weight g	615.0	n/a
Filter mm	77	67
Length mm	112.8	n/a
Stabilized	Yes	n/a
Diameter mm	82.6	n/a
Min focus m	0.28	0.27 (closer focusing)
Max magnification	0.23	n/a

Canon EF 16-35mm f/4L IS USM

A stabilized wide-angle zoom with a constant f/4 aperture. Smaller and lighter than the f/2.8 versions, with a 77mm filter thread.

Pros

Image stabilization
Sharp across the frame
Lighter than the f/2.8
77mm filter thread

Cons

f/4 limits astrophotography
Less shallow depth of field
Not as fast as the f/2.8 versions

Tamron SP AF 17-50mm f/2.8 XR Di II LD Aspherical (IF)

The Tamron SP AF 17-50mm f/2.8 XR Di II LD Aspherical (IF) is an APS-C fast standard zoom lens covering 17-50mm at f/2.8 for Canon EF mount cameras, from the Tamron SP series with aspherical elements. A bright standard zoom for APS-C DSLRs with a constant f/2.8 aperture.

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