Sigma
17-70mm f/2.8-4 DC Macro OS HSM Canon-ef
 vs
Canon
EF-S 17-85mm f/4-5.6 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/4
Help
 At its widest, the 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef captures slightly more light, 1 f-stop
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 17-85mm f/4-5.6 IS USM
Better image stabilization Canon IS vs Sigma OS
Help
 Less risk of blur
Slightly more zoom 5x vs 4.1x
Help
 More than 20% 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 17-85mm f/4-5.6 IS USM Learn more about
the Canon EF-S 17-85mm f/4-5.6 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 17-85mm f/4-5.6 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 17-85mm f/4-5.6 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 15-85mm f/3.5-5.6 IS USM

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

Travel lens

$699
Aperture Has a narrower aperture
Compare the EF-S 15-85mm f/3.5-5.6 IS USM vs the 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef
Compare the EF-S 15-85mm f/3.5-5.6 IS USM vs the EF-S 17-85mm f/4-5.6 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
Magnification Has better macro
Aperture Has a narrower aperture
Wide maximum Has a lower max f/stop
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 17-85mm f/4-5.6 IS USM
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
Aperture Has a narrower aperture
Wide maximum Has a lower max f/stop
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
Compare the EF 28-135mm f/3.5-5.6 IS USM vs the EF-S 17-85mm f/4-5.6 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 17-85mm f/4-5.6 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
Wide maximum Has a lower max f/stop
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 17-85mm f/4-5.6 IS USM
Sigma 18-50mm f/2.8-4.5 DC OS HSM Canon-ef

Sigma 18-50mm f/2.8-4.5 DC OS HSM Canon-ef

Wide angle lens

$199
Wide maximum Has a lower max f/stop
Compare the 18-50mm f/2.8-4.5 DC OS HSM Canon-ef vs the 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef
Compare the 18-50mm f/2.8-4.5 DC OS HSM Canon-ef vs the EF-S 17-85mm f/4-5.6 IS USM
Sigma 17-70mm f/2.8-4.5 DC Macro

Sigma 17-70mm f/2.8-4.5 DC Macro

Portrait lens

$369
Magnification Has better macro
Wide maximum Has a lower max f/stop
Image stabilization Doesn't have image stabilization
Compare the 17-70mm f/2.8-4.5 DC Macro vs the 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef
Compare the 17-70mm f/2.8-4.5 DC Macro vs the EF-S 17-85mm f/4-5.6 IS USM

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

Advantages

Disadvantages
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 consant aperture
Zoom range Less zoom
Max focal length Slightly worse telephoto
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
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 consant aperture
Focus motor Doesn't have a silent focus motor
Image stabilization No image stabilization
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
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 17-85mm f/4-5.6 IS USM Competitors

Advantages

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

Canon 24-105mm f/4L IS USM

Wide angle lens

$1,059
Fixed aperture Has a consant aperture
Max focal length Slightly better telephoto
Wide maximum Significantly wider aperture
Lowest price Slightly more expensive
Compare the 24-105mm f/4L IS USM vs the EF-S 17-85mm f/4-5.6 IS USM
Canon 85mm f/1.8 USM

Canon 85mm f/1.8 USM

Low light lens

$370
Aperture Much wider aperture
Prime lens Is a prime lens
Image stabilization No image stabilization
Wide maximum Significantly wider aperture
Compare the 85mm f/1.8 USM vs the EF-S 17-85mm f/4-5.6 IS USM
Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM Canon-ef

Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM Canon-ef

Travel lens

$399
Zoom range Much more zoom
Max focal length Better telephoto
Image stabilization Worse image stabilization
Compare the 18-250mm f/3.5-6.3 DC Macro OS HSM Canon-ef vs the EF-S 17-85mm f/4-5.6 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.

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