vs

differences

Reasons to consider the Sigma 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef

More zoom 4.1x vs 2.9x
Help
Around 40% more zoom, giving you more flexibility for photos
Slightly better telephoto 70 mm vs 50 mm
Help
40% more reach, less perspective distortion
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 Sigma 17-50mm f/2.8 EX DC OS HSM Canon-ef

Has a consant aperture Yes vs No
Help
Constant aperture lenses offer the same aperture at all focal lengths
Sigma 17-50mm f/2.8 EX DC OS HSM Canon-ef Learn more about
the Sigma 17-50mm f/2.8 EX DC OS HSM Canon-ef

similarities

Compared to lenses

Common Strengths Common Weaknesses
Focus motor Silent focus motor Help
Silent and fast
Image stabilization Good image stabilization Help
Sigma OS
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses

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

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 Has a higher max f/stop
Image stabilization Doesn't have image stabilization
Focus motor Lacks a silent focus motor
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 better image stabilization
Zoom range Has slightly large zoom range
Aperture Has a narrower aperture
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

$199

Image stabilization Has better image stabilization
Aperture Has a narrower aperture
Focus motor Lacks a silent focus motor
Canon EF 17-40mm f/4L USM

Canon EF 17-40mm f/4L USM

Wide angle lens

$739

Aperture Has a narrower aperture
Image stabilization Doesn't have image stabilization
Canon EF-S 17-55mm f/2.8 IS USM

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

Wide angle lens

$1,179

Image stabilization Has better image stabilization
Tamron 28-75mm f/2.8 XR Di Canon-ef

Tamron 28-75mm f/2.8 XR Di Canon-ef

Wide angle lens

$499

Wide maximum Has a higher max f/stop
Image stabilization Doesn't have image stabilization
Focus motor Lacks a silent focus motor
Tamron SP 17-50mm f/2.8 XR Di-II VC LD Nikon-f

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

Wide angle lens

$649

Wide maximum Has a higher max f/stop
Focus motor Lacks a silent focus motor

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

Image stabilization Better image stabilization
Zoom range Slightly more zoom
Aperture Narrower aperture
Canon EF 50mm f/1.8 II

Canon EF 50mm f/1.8 II

Low light lens

$92 - $110

Prime lens Is a prime lens
Aperture Wider aperture
Focus motor Doesn't have a silent focus motor
Image stabilization No image stabilization

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

Advantages

Disadvantages

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

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

Fisheye lens

$1,499

Fisheye Fisheye lens
Image stabilization No image stabilization
Lowest price More expensive
Canon 24-105mm f/4L IS USM

Canon 24-105mm f/4L IS USM

Wide angle lens

$1,059

Image stabilization Better image stabilization
Zoom range More zoom
Aperture Narrower aperture
Lowest price Slightly more expensive
Nikon Nikkor 17-55mm f/2.8G ED-IF AF-S DX

Nikon Nikkor 17-55mm f/2.8G ED-IF AF-S DX

Wide angle lens

$1,299

Image stabilization No image stabilization
Lowest price Slightly more expensive

discussion Which do you think is better?

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