Canon EF 24-70mm f/2.8L USM vs Canon EF 28-105mm f/3.5-4.5 II USM

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

Canon

EF 24-70mm f/2.8L USM

Canon

EF 28-105mm f/3.5-4.5 II USM

Verdict at a glance

Canon EF 24-70mm f/2.8L USM is faster by 0.4 stops (f/24.0 vs f/28.0), letting in more light.
Canon EF 28-105mm f/3.5-4.5 II USM is lighter by 575g.
Canon EF 24-70mm f/2.8L USM goes wider (24mm vs 28mm).
Canon EF 28-105mm f/3.5-4.5 II USM reaches further (105mm vs 70mm).
Canon EF 24-70mm f/2.8L USM is the newer design (2002 vs 2000).

Specification comparison
Spec	EF 24-70mm f/2.8L USM	EF 28-105mm f/3.5-4.5 II USM
Brand	Canon	Canon
Mount	Canon EF	Canon EF
Type	Zoom	Zoom
Focal length	24-70mm (wider)	28-105mm
Max aperture	f/24.0 (faster)	f/28.0
Released	2002	2000
Blades	8	7
Format	full-frame	full-frame
Groups	13	12
Af motor	USM	USM
Elements	16	15
Weight g	950.0	375.0 (lighter)
Filter mm	77	58
Length mm	123.5	75.0
Diameter mm	83.2	72.0
Min focus m	0.38 (closer focusing)	0.5
Max magnification	0.29	0.19

Canon EF 24-70mm f/2.8L USM

The 2002 original 24-70mm f/2.8L, a bulky standard zoom whose front barrel extends as you zoom. It was replaced by the Mark II in 2012.

Pros

Constant f/2.8 aperture
Sealed L-series construction
Fast USM focus
Takes 77mm filters

Cons

Heavy at around 950g
Barrel extends when zooming
Softer corners than the Mark II

Canon EF 28-105mm f/3.5-4.5 II USM

A common general-purpose zoom from around 2000 and a frequent kit lens for film and early digital EOS cameras. It is compact with a 58mm filter thread.

Pros

Useful zoom range
Light and handy
USM focus
Takes 58mm filters

Cons

Soft wide open
Slow variable aperture
No stabilization

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