Sigma
17-70mm f/2.8-4 DC Macro OS HSM Canon-ef
 vs
Canon
EF-S 15-85mm f/3.5-5.6 IS USM

vs

differences

Reasons to consider the Sigma 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef
Wider aperture f/2.8 vs f/3.5
Help
 At its widest, the 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef captures slightly more light, 0.6 f-stops
Sigma 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef Learn more about
the Sigma 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef

Reasons to consider the Canon EF-S 15-85mm f/3.5-5.6 IS USM
Better image stabilization Canon IS vs Sigma OS
Help
 Less risk of blur
More zoom 5.7x vs 4.1x
Help
 Around 40% more zoom, giving you more flexibility for photos
Slightly better telephoto 85 mm vs 70 mm
Help
 More than 20% more reach, less perspective distortion
Canon EF-S 15-85mm f/3.5-5.6 IS USM Learn more about
the Canon EF-S 15-85mm f/3.5-5.6 IS USM

similarities

Compared to lenses

Common Strengths Common Weaknesses
Focus motor Silent focus motor Help
17-70mm f/2.8-4 DC Macro OS HSM Canon-ef:Sigma HSM
EF-S 15-85mm f/3.5-5.6 IS USM:Canon USM
Image stabilization Good image stabilization Help
17-70mm f/2.8-4 DC Macro OS HSM Canon-ef:Sigma OS
EF-S 15-85mm f/3.5-5.6 IS USM:Canon IS
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses
Fixed aperture Both are variable aperture lenses Help
Narrower aperture at longer focal lengths

Compared to wide angle lenses

Common Strengths Common Weaknesses

LensHero is not aware of any interesting strengths shared by these two products.

LensHero is not aware of any interesting weaknesses shared by these two products.

competitors

Shared Competitors

Advantages

Disadvantages
Canon EF-S 17-85mm f/4-5.6 IS USM

Canon EF-S 17-85mm f/4-5.6 IS USM

Travel lens

$489
Aperture Has a narrower aperture
Compare the EF-S 17-85mm f/4-5.6 IS USM vs the 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef
Compare the EF-S 17-85mm f/4-5.6 IS USM vs the EF-S 15-85mm f/3.5-5.6 IS 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
Fixed aperture Has a fixed aperture
Compare the EF-S 17-55mm f/2.8 IS USM vs the 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef
Compare the EF-S 17-55mm f/2.8 IS USM vs the EF-S 15-85mm f/3.5-5.6 IS USM
Canon EF-S 18-55mm f/3.5-5.6 IS

Canon EF-S 18-55mm f/3.5-5.6 IS

Wide angle lens

$185 - $199
Aperture Has a narrower aperture
Focus motor Lacks a silent focus motor
Compare the EF-S 18-55mm f/3.5-5.6 IS vs the 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef
Compare the EF-S 18-55mm f/3.5-5.6 IS vs the EF-S 15-85mm f/3.5-5.6 IS USM
Canon EF-S 18-135mm f/3.5-5.6 IS

Canon EF-S 18-135mm f/3.5-5.6 IS

Travel lens

$499 - $549
Zoom range Has slightly large zoom range
Aperture Has a narrower aperture
Focus motor Lacks a silent focus motor
Compare the EF-S 18-135mm f/3.5-5.6 IS vs the 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef
Compare the EF-S 18-135mm f/3.5-5.6 IS vs the EF-S 15-85mm f/3.5-5.6 IS USM
Canon EF 24-105mm f/4L IS USM

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

Wide angle lens

$1,149
Fixed aperture Has a fixed aperture
Aperture Has a narrower aperture
Compare the EF 24-105mm f/4L IS USM vs the 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef
Compare the EF 24-105mm f/4L IS USM vs the EF-S 15-85mm f/3.5-5.6 IS USM
Sigma 17-50mm f/2.8 EX DC OS HSM Canon-ef

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

Wide angle lens

$594
Fixed aperture Has a fixed aperture
Compare the 17-50mm f/2.8 EX DC OS HSM Canon-ef vs the 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef
Compare the 17-50mm f/2.8 EX DC OS HSM Canon-ef vs the EF-S 15-85mm f/3.5-5.6 IS 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
Fixed aperture Has a fixed aperture
Image stabilization Doesn't have image stabilization
Focus motor Lacks a silent focus motor
Compare the 17-50mm f/2.8 XR Di II LD Canon-ef vs the 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef
Compare the 17-50mm f/2.8 XR Di II LD Canon-ef vs the EF-S 15-85mm f/3.5-5.6 IS USM

Sigma 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef Competitors

Advantages

Disadvantages
Canon EF 28-135mm f/3.5-5.6 IS USM

Canon EF 28-135mm f/3.5-5.6 IS USM

Travel lens

$479
Image stabilization Better image stabilization
Max focal length Better telephoto
Aperture Narrower aperture
Min focal length Slightly worse wide angle
Compare the EF 28-135mm f/3.5-5.6 IS USM vs the 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef
Tamron SP 17-50mm f/2.8 XR Di-II VC LD Canon-ef

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

Wide angle lens

$499
Fixed aperture Has a consant aperture
Focus motor Doesn't have a silent focus motor
Zoom range Less zoom
Compare the SP 17-50mm f/2.8 XR Di-II VC LD Canon-ef vs the 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef

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

Advantages

Disadvantages
Canon EF-S 18-200mm f/3.5-5.6 IS

Canon EF-S 18-200mm f/3.5-5.6 IS

Travel lens

$699
Zoom range Significantly more zoom
Max focal length Better telephoto
Focus motor Doesn't have a silent focus motor
Compare the EF-S 18-200mm f/3.5-5.6 IS vs the EF-S 15-85mm f/3.5-5.6 IS 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