vs

differences

Reasons to consider the Sigma 18-50mm f/2.8 EX DC Macro

LensHero is not aware of any important advantages of the Sigma 18-50mm f/2.8 EX DC Macro vs the Sigma 17-50mm f/2.8 EX DC OS HSM Canon-ef.
Sigma 18-50mm f/2.8 EX DC Macro Learn more about
the Sigma 18-50mm f/2.8 EX DC Macro

Reasons to consider the Sigma 17-50mm f/2.8 EX DC OS HSM Canon-ef

Has a silent focus motor Sigma HSM vs None
Help
Focuses quickly and silently
Image stabilization Sigma OS vs None
Help
Helps eliminate blur caused by small camera movements
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
Fixed aperture Constant aperture lenses Help
The same aperture at all focal lengths
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses
Max focal length Poor telephoto Help
50 mm

Compared to portrait 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 17-55mm f/2.8 IS USM

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

Wide angle lens

$1,059

Image stabilization Has better image stabilization
Canon EF 16-35mm f/2.8L II USM

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

Fisheye lens

$1,499 - $1,699

Fisheye Is a fisheye lens
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
Sigma 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef

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

Wide angle lens

$499

Fixed aperture Has a variable 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

$185 - $199

Image stabilization Has better image stabilization
Aperture Has a narrower aperture
Fixed aperture Has a variable aperture
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
Sigma 17-70mm f/2.8-4.5 DC Macro

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

Portrait lens

$369

Fixed aperture Has a variable aperture

Sigma 18-50mm f/2.8 EX DC Macro Competitors

Advantages

Disadvantages

Sigma 18-125mm f/3.8-5.6 DC OS HSM Canon-ef

Sigma 18-125mm f/3.8-5.6 DC OS HSM Canon-ef

Travel lens

$339

Focus motor Has a silent focus motor
Image stabilization Image stabilization
Fixed aperture Has a variable aperture
Aperture Narrower aperture
Olympus Zuiko  35mm f/3.5 Macro ED

Olympus Zuiko 35mm f/3.5 Macro ED

Macro lens

$229

Prime lens Is a prime lens
Aperture Narrower aperture
Zoom range Less zoom
Olympus Zuiko 14-42mm f/3.5-5.6 ED

Olympus Zuiko 14-42mm f/3.5-5.6 ED

Wide angle lens

$249

Fixed aperture Has a variable aperture
Aperture Narrower aperture
Nikon Nikkor 16-85mm f/3.5-5.6G ED VR AF-S DX

Nikon Nikkor 16-85mm f/3.5-5.6G ED VR AF-S DX

Travel lens

$600

Image stabilization Image stabilization
Focus motor Has a silent focus motor
Fixed aperture Has a variable aperture
Aperture Narrower aperture

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

Advantages

Disadvantages

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

Wide maximum Significantly narrower aperture
Focus motor Doesn't have a silent focus motor
Canon EF 24-105mm f/4L IS USM

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

Wide angle lens

$1,149

Image stabilization Better image stabilization
Zoom range More zoom
Aperture Narrower aperture
Lowest price Slightly more expensive
Sigma 18-200mm f/3.5-6.3 DC OS Canon-ef

Sigma 18-200mm f/3.5-6.3 DC OS Canon-ef

Travel lens

$369

Zoom range Much more zoom
Max focal length Better telephoto
Fixed aperture Has a variable aperture
Focus motor Doesn't have a silent focus motor

discussion Which do you think is better?

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