Sigma
24-70mm f/2.8 IF EX DG HSM
 vs
Canon
EF 17-40mm f/4L USM

vs

differences

Reasons to consider the Sigma 24-70mm f/2.8 IF EX DG HSM
Wider aperture f/2.8 vs f/4
Help
 At its widest, the 24-70mm f/2.8 IF EX DG HSM captures slightly more light, 1 f-stop
Slightly better telephoto 70 mm vs 40 mm
Help
 Around 80% more reach, less perspective distortion
Slightly more zoom 2.9x vs 2.4x
Help
 More than 20% more zoom, giving you more flexibility for photos
Sigma 24-70mm f/2.8 IF EX DG HSM Learn more about
the Sigma 24-70mm f/2.8 IF EX DG HSM

Reasons to consider the Canon EF 17-40mm f/4L USM
Slightly more magnification 1:4 (0.2x) vs 1:5.3 (0.2x)
Help
 Take macro shots with subjects more than 30% larger in your photo
Canon EF 17-40mm f/4L USM Learn more about
the Canon EF 17-40mm f/4L USM

similarities

Compared to lenses

Common Strengths Common Weaknesses
Fixed aperture Constant aperture lenses Help
The same aperture at all focal lengths
Focus motor Silent focus motor Help
24-70mm f/2.8 IF EX DG HSM:Sigma HSM
EF 17-40mm f/4L USM:Canon USM
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses

competitors

Shared Competitors

Advantages

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

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

Wide angle lens

$1,149
Image stabilization Has image stabilization
Aperture Has a narrower aperture
Compare the EF 24-105mm f/4L IS USM vs the 24-70mm f/2.8 IF EX DG HSM
Compare the EF 24-105mm f/4L IS USM vs the EF 17-40mm f/4L USM
Canon EF 24-70mm f/2.8L USM

Canon EF 24-70mm f/2.8L USM

Wide angle lens

$1,280
Compare the EF 24-70mm f/2.8L USM vs the 24-70mm f/2.8 IF EX DG HSM
Compare the EF 24-70mm f/2.8L USM vs the EF 17-40mm f/4L USM
Canon 24-105mm f/4L IS USM

Canon 24-105mm f/4L IS USM

Wide angle lens

$1,059
Image stabilization Has image stabilization
Aperture Has a narrower aperture
Compare the 24-105mm f/4L IS USM vs the 24-70mm f/2.8 IF EX DG HSM
Compare the 24-105mm f/4L IS USM vs the EF 17-40mm f/4L USM
Tokina AT-X 16-28mm f/2.8 Pro FX Canon-ef

Tokina AT-X 16-28mm f/2.8 Pro FX Canon-ef

Wide angle lens

$749
Focus motor Lacks a silent focus motor
Compare the AT-X 16-28mm f/2.8 Pro FX Canon-ef vs the 24-70mm f/2.8 IF EX DG HSM
Compare the AT-X 16-28mm f/2.8 Pro FX Canon-ef vs the EF 17-40mm f/4L USM
Nikon Nikkor AF-S 17-35mm f/2.8D ED-IF

Nikon Nikkor AF-S 17-35mm f/2.8D ED-IF

Wide angle lens

$1,499
Compare the Nikkor AF-S 17-35mm f/2.8D ED-IF vs the 24-70mm f/2.8 IF EX DG HSM
Compare the Nikkor AF-S 17-35mm f/2.8D ED-IF vs the EF 17-40mm f/4L USM
Canon EF-S 15-85mm f/3.5-5.6 IS USM

Canon EF-S 15-85mm f/3.5-5.6 IS USM

Travel lens

$699
Image stabilization Has image stabilization
Zoom range Has slightly large zoom range
Aperture Has a narrower aperture
Fixed aperture Has a variable aperture
Compare the EF-S 15-85mm f/3.5-5.6 IS USM vs the 24-70mm f/2.8 IF EX DG HSM
Compare the EF-S 15-85mm f/3.5-5.6 IS USM vs the EF 17-40mm f/4L USM

Sigma 24-70mm f/2.8 IF EX DG HSM Competitors

Advantages

Disadvantages
Sigma 17-50mm f/2.8 EX DC OS HSM Nikon-f

Sigma 17-50mm f/2.8 EX DC OS HSM Nikon-f

Wide angle lens

$594
Image stabilization Image stabilization
Max focal length Slightly worse telephoto
Compare the 17-50mm f/2.8 EX DC OS HSM Nikon-f vs the 24-70mm f/2.8 IF EX DG HSM
Nikon Nikkor AF-S DX 18-105mm f/3.5-5.6G ED VR

Nikon Nikkor AF-S DX 18-105mm f/3.5-5.6G ED VR

Travel lens
Image stabilization Image stabilization
Zoom range More zoom
Fixed aperture Has a variable aperture
Aperture Narrower aperture
Compare the Nikkor AF-S DX 18-105mm f/3.5-5.6G ED VR vs the 24-70mm f/2.8 IF EX DG HSM
Tamron SP 24-70mm f/2.8 DI VC USD Canon-ef

Tamron SP 24-70mm f/2.8 DI VC USD Canon-ef

Wide angle lens

$1,299
Image stabilization Image stabilization
Focus motor Doesn't have a silent focus motor
Lowest price Slightly more expensive
Compare the SP 24-70mm f/2.8 DI VC USD Canon-ef vs the 24-70mm f/2.8 IF EX DG HSM
Sigma 17-50mm f/2.8 EX DC OS HSM

Sigma 17-50mm f/2.8 EX DC OS HSM

Portrait lens

$594
Image stabilization Image stabilization
Max focal length Slightly worse telephoto
Compare the 17-50mm f/2.8 EX DC OS HSM vs the 24-70mm f/2.8 IF EX DG HSM
Sigma 24-70mm f/2.8 EX DG Macro DF Nikon-f

Sigma 24-70mm f/2.8 EX DG Macro DF Nikon-f

Wide angle lens

$569
Wide maximum Significantly narrower aperture
Magnification Slightly more magnification
Focus motor Doesn't have a silent focus motor
Length Slightly longer
Compare the 24-70mm f/2.8 EX DG Macro DF Nikon-f vs the 24-70mm f/2.8 IF EX DG HSM

Canon EF 17-40mm f/4L USM Competitors

Advantages

Disadvantages
Canon EF 16-35mm f/2.8L II USM

Canon EF 16-35mm f/2.8L II USM

Fisheye lens

$1,467 - $1,699
Fisheye Fisheye lens
Aperture Wider aperture
Lowest price More expensive
Magnification Slightly less magnification
Compare the EF 16-35mm f/2.8L II USM vs the EF 17-40mm f/4L USM
Canon EF-S 10-22mm f/3.5-4.5 USM

Canon EF-S 10-22mm f/3.5-4.5 USM

Wide angle lens

$759
Wide maximum Narrower aperture
Aperture Wider aperture
Fixed aperture Has a variable aperture
Magnification Less magnification
Compare the EF-S 10-22mm f/3.5-4.5 USM vs the EF 17-40mm f/4L USM
Tamron 17-50mm f/2.8 XR Di II LD Canon-ef

Tamron 17-50mm f/2.8 XR Di II LD Canon-ef

Wide angle lens

$459
Wide maximum Significantly narrower aperture
Aperture Wider aperture
Focus motor Doesn't have a silent focus motor
Magnification Slightly less magnification
Compare the 17-50mm f/2.8 XR Di II LD Canon-ef vs the EF 17-40mm f/4L USM
Canon EF-S 17-55mm f/2.8 IS USM

Canon EF-S 17-55mm f/2.8 IS USM

Wide angle lens

$1,059
Image stabilization Image stabilization
Aperture Wider aperture
Magnification Less magnification
Length Slightly longer
Compare the EF-S 17-55mm f/2.8 IS USM vs the EF 17-40mm f/4L USM

discussion Which do you think is better?

Speech is free, but discussion at LensHero is moderated! Please discuss your opinion of these lenses here, and discuss feedback for LensHero at our support community.

Showing 0 comments
“LensHero will help you cut through the sheer number of lenses out there to find the few you want to read more about”
- LifeHacker
“Finding the right lens on Lenshero is incredibly easy!”
- Revell Photography
“I am in love with LensHero.”
- Shoot from the Belly
“Kind of a little bit in love with LensHero”
- @alicetragedy
“No technical stuff whatsoever, just plain and simple questions complete with examples so that any user can understand”
- Karel Donk, Photographer
“I love that I can pull up different lenses in my price range that will fit my DSLR.”
- Jennifer Sutton
feedback and support | about | blog | privacy and legal
Copyright © 2013 by LensHero, Inc. All Rights Reserved.
Rebellion Media Technology