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

Image stabilization Canon IS vs None
Help
Helps eliminate blur caused by small camera movements
Has a silent focus motor Canon USM vs None
Help
Focuses quickly and silently
Slightly more zoom 3.2x vs 2.8x
Help
Around 20% more zoom, giving you more flexibility for photos
Canon EF-S 17-55mm f/2.8 IS USM Learn more about
the Canon EF-S 17-55mm f/2.8 IS USM

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
18-50mm f/2.8 EX DC Macro:50 mm
EF-S 17-55mm f/2.8 IS USM:55 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

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

Canon EF 17-40mm f/4L USM

Canon EF 17-40mm f/4L USM

Wide angle lens

$739

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

$196 - $199

Magnification Has better macro
Aperture Has a narrower aperture
Fixed aperture Has a variable aperture
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 16-35mm f/2.8L II USM

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

Fisheye lens

$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
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 Has a higher max f/stop

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
Pentax SMC  DA 18-55mm f/3.5-5.6 AL II

Pentax SMC DA 18-55mm f/3.5-5.6 AL II

Wide angle lens

Fixed aperture Has a variable aperture
Aperture Narrower aperture
Canon EF 15mm f/2.8

Canon EF 15mm f/2.8

Fisheye lens

$646

Fisheye Fisheye lens
Prime lens Is a prime lens
Zoom range Less zoom
Max focal length Slightly worse telephoto
Sigma 17-70mm f/2.8-4.5 DC Macro

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

Portrait lens

$369

Zoom range More zoom
Max focal length Slightly better telephoto
Fixed aperture Has a variable aperture

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

Zoom range More zoom
Max focal length Slightly better telephoto
Fixed aperture Has a variable aperture
Aperture Narrower aperture
Canon EF 24-70mm f/2.8L USM

Canon EF 24-70mm f/2.8L USM

Wide angle lens

$1,280

Magnification More magnification
Max focal length Slightly better telephoto
Image stabilization No image stabilization
Weight Slightly heavier
Canon EF 50mm f/1.8 II

Canon EF 50mm f/1.8 II

Low light lens

$98 - $125

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