Canon EF 24-105mm f/4L IS USM vs Tamron AF 17-50mm f/2.8 XR Di-II LD (Model A16)

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

Canon

EF 24-105mm f/4L IS USM

Tamron

AF 17-50mm f/2.8 XR Di-II LD (Model A16)

Verdict at a glance

Tamron AF 17-50mm f/2.8 XR Di-II LD (Model A16) is faster by 1 stop (f/17.0 vs f/24.0), letting in more light.
Tamron AF 17-50mm f/2.8 XR Di-II LD (Model A16) goes wider (17mm vs 24mm).
Canon EF 24-105mm f/4L IS USM reaches further (105mm vs 50mm).

Specification comparison
Spec	EF 24-105mm f/4L IS USM	AF 17-50mm f/2.8 XR Di-II LD (Model A16)
Brand	Canon	Tamron
Mount	Canon EF	Canon EF
Type	Superzoom	Zoom
Focal length	24-105mm	17-50mm (wider)
Max aperture	f/24.0	f/17.0 (faster)
Released	2005	n/a
Blades	8	n/a
Format	full-frame	n/a
Groups	13	n/a
Af motor	USM	n/a
Elements	18	n/a
Weight g	670.0	n/a
Filter mm	77	n/a
Length mm	107.0	n/a
Stabilized	Yes	n/a
Diameter mm	83.5	n/a
Min focus m	0.45	n/a
Max magnification	0.23	n/a

Canon EF 24-105mm f/4L IS USM

A constant-f/4 standard zoom with image stabilization. Canon sold it as a kit lens with several full-frame bodies, and it remains a common general-purpose choice.

Pros

Useful 24-105mm range
Constant f/4
Image stabilization
L-series dust and moisture resistance

Cons

Noticeable barrel distortion at 24mm
Vignetting wide open at the short end
Not fast enough for dim light

Tamron AF 17-50mm f/2.8 XR Di-II LD (Model A16)

Tamron AF 17-50mm f/2.8 XR Di-II LD (Model A16): an APS-C fast standard zoom lens with a 17-50mm focal length and a maximum aperture of f/2.8, made for Canon EF mount cameras. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.

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