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Canon EF 24-70mm f/2.8L II USM vs 24-105mm f/4L IS USM

Both are Canon EF lenses for full frame. Here is what actually differs.

Pick the 24-70mm f/2.8L II USM if

  • You need 1 stop more light for low light or background blur (f/2.8 vs f/4)
  • You shoot close-ups: it focuses down to 0.38 m vs 0.45 m
  • You care about the shape of out-of-focus highlights: 9 aperture blades vs 8
  • You prefer a newer design: released 2012 vs 2005
  • Our notes say it suits: Weddings and events, photojournalism, portraits

Pick the 24-105mm f/4L IS USM if

  • You want the lighter lens to carry: 135 g lighter (670 g vs 805 g)
  • You need more reach: 105mm vs 70mm at the long end
  • You shoot handheld in dim light or video: it has optical image stabilization and the 24-70mm f/2.8L II USM does not
  • Our notes say it suits: Travel, events, landscapes

Spec differences

12 differences
Specifications that differ between the Canon EF 24-70mm f/2.8L II USM and the Canon EF 24-105mm f/4L IS USM
24-70mm f/2.8L II USM 24-105mm f/4L IS USM
Type
Zoom
Superzoom
Focal length
24-70mm
24-105mm
Max aperture
f/2.8 1 stop faster
f/4
Weight
805 g
670 g lighter
Length
113 mm
107 mm shorter
Diameter
88.5 mm
83.5 mm slimmer
Filter thread
82 mm
77 mm
Min focus distance
0.38 m closer
0.45 m
Max magnification
0.21×
0.23× larger
Aperture blades
9 more blades
8
Image stabilization
No
Yes stabilized
Released
2012
2005
5 identical specs hidden: brand, mount, format, optical design, autofocus motor. Show all
Brand
Canon both
Mount
Canon EF both
Format
Full frame both
Optical design
18 elements / 13 groups both
Autofocus motor
USM both

Our notes

Canon EF 24-70mm f/2.8L II USM

The second generation of Canon's pro standard zoom, with a constant f/2.8 aperture and weather sealing for demanding full-frame work.

Pros

  • Constant f/2.8
  • Sharp across the zoom range
  • Weather-sealed
  • Wide-to-short-tele range

Cons

  • No image stabilization
  • Heavy (about 800 g)
  • Large 82mm filter thread

Our notes

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

More comparisons

Compare other lenses or browse our best-of guides.