Canon EF 28-70mm f/2.8L USM vs Tamron AF 28-300mm f/3.5-6.3 XR Di LD Aspherical (IF)

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

Canon

EF 28-70mm f/2.8L USM

Tamron

AF 28-300mm f/3.5-6.3 XR Di LD Aspherical (IF)

Verdict at a glance

Tamron AF 28-300mm f/3.5-6.3 XR Di LD Aspherical (IF) reaches further (300mm vs 70mm).

Specification comparison
Spec	EF 28-70mm f/2.8L USM	AF 28-300mm f/3.5-6.3 XR Di LD Aspherical (IF)
Brand	Canon	Tamron
Mount	Canon EF	Canon EF
Type	Zoom	Superzoom
Focal length	28-70mm	28-300mm
Max aperture	f/28.0	f/28.0
Released	1993	n/a
Blades	8	n/a
Format	full-frame	n/a
Groups	11	n/a
Af motor	USM	n/a
Elements	16	n/a
Weight g	880.0	n/a
Filter mm	77	n/a
Length mm	117.6	n/a
Diameter mm	83.2	n/a
Min focus m	0.5	n/a
Max magnification	0.18	n/a

Canon EF 28-70mm f/2.8L USM

Canon's 1993 pro standard zoom with a constant f/2.8 aperture. The EF 24-70mm f/2.8L replaced it in 2002.

Pros

f/2.8 across the range
L-series build
Ring USM

Cons

Heavy at about 880g
No wide 24mm end
Softer than modern 24-70mm lenses

Tamron AF 28-300mm f/3.5-6.3 XR Di LD Aspherical (IF)

Tamron AF 28-300mm f/3.5-6.3 XR Di LD Aspherical (IF): a full-frame superzoom lens with a 28-300mm focal length and a maximum aperture of f/3.5-6.3, made for Canon EF mount cameras, with aspherical elements. A high-ratio travel zoom covering wide-angle to telephoto in one lens.

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