vs

differences

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

Has a consant aperture Yes vs No
Help
Constant aperture lenses offer the same aperture at all focal lengths
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 17-70mm f/2.8-4.5 DC Macro

More zoom 4.1x vs 2.8x
Help
Around 50% 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/2.8-4.5 DC Macro Learn more about
the Sigma 17-70mm f/2.8-4.5 DC Macro

similarities

Compared to lenses

Common Strengths Common Weaknesses

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

Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses
Focus motor No silent focus motor Help
Louder and slower

Compared to portrait lenses

Common Strengths Common Weaknesses

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

Image stabilization No image stabilization Help
Risk of blur
Max focal length Poor telephoto Help
18-50mm f/2.8 EX DC Macro:50 mm
17-70mm f/2.8-4.5 DC Macro:70 mm

competitors

Shared Competitors

Advantages

Disadvantages

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 Has image stabilization
Focus motor Has a silent focus motor
Aperture Has a narrower aperture
Magnification Has worse macro
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 image stabilization
Aperture Has a narrower aperture
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

Aperture Has a narrower aperture
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

Image stabilization Has image stabilization
Focus motor Has a silent focus motor
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

Focus motor Has a silent focus motor
Magnification Has worse macro
Tamron 17-50mm f/2.8 XR Di-II LD [IF] Pentax-k

Tamron 17-50mm f/2.8 XR Di-II LD [IF] Pentax-k

Wide angle lens

$459

Wide maximum Has a higher max f/stop
Magnification Has worse macro
Canon EF 17-40mm f/4L USM

Canon EF 17-40mm f/4L USM

Wide angle lens

$739

Focus motor Has a silent focus motor
Aperture Has a narrower aperture
Magnification Has worse macro

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
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 Competitors

Advantages

Disadvantages

Nikon Nikkor 18-105mm f/3.5-5.6G ED VR AF-S DX

Nikon Nikkor 18-105mm f/3.5-5.6G ED VR AF-S DX

Travel lens

$330

Image stabilization Image stabilization
Focus motor Has a silent focus motor
Magnification Less magnification
Aperture Narrower aperture
Sigma 17-70mm f/2.8-4 DC Macro OS HSM Nikon-f

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

Wide angle lens

$499

Focus motor Has a silent focus motor
Image stabilization Image stabilization
Magnification Slightly less magnification
Placeholder

Nikon Nikkor AF-S DX 18-70mm f/3.5-4.5G

Wide angle lens

Focus motor Has a silent focus motor
Aperture Narrower aperture
Sigma 17-50mm f/2.8 EX DC OS HSM Pentax-k

Sigma 17-50mm f/2.8 EX DC OS HSM Pentax-k

Wide angle lens

$669

Fixed aperture Has a consant aperture
Focus motor Has a silent focus motor
Zoom range Less zoom
Max focal length Slightly worse telephoto
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 Image stabilization
Focus motor Has a silent focus motor
Aperture Narrower aperture
Magnification Less magnification

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