differences

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

More zoom 4.1x vs 2.9x
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Around 40% more zoom, giving you more flexibility for photos
Slightly smaller diameter 79 mm vs 84 mm
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Around 10% smaller lens at the end
Slightly better telephoto 70 mm vs 50 mm
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40% more reach, less perspective distortion
Slightly shorter 82 mm vs 91 mm
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Around 10% shorter
Sigma 17-70mm f/2.8-4 DC Macro OS HSM Nikon F Learn more about
the Sigma 17-70mm f/2.8-4 DC Macro OS HSM Nikon F

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

Much narrower aperture f/22 vs f/4
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At its narrowest, the 17-50mm f/2.8 EX DC OS HSM Nikon F goes 4.9 f-stops narrower
Has a constant aperture Yes vs No
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Constant aperture lenses offer the same maximum aperture at all focal lengths
Sigma 17-50mm f/2.8 EX DC OS HSM Nikon F Learn more about
the Sigma 17-50mm f/2.8 EX DC OS HSM Nikon F

similarities

Compared to digital camera lenses

Common Strengths Common Weaknesses
Image stabilization Good image stabilization Help
Sigma OS
Auto focus Auto focus Help
Easier to use
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses

Compared to digital camera 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

Sigma 17-50mm f/2.8 EX DC OS HSM Nikon F Competitors

Sigma 18-35mm f/1.8 DC HSM

Sigma 18-35mm f/1.8 DC HSM

Low light lens

$70

Aperture Wider aperture
Diameter Slightly smaller diameter
Image stabilization No image stabilization
Nikon Nikkor AF-S 35mm f/1.8G DX

Nikon Nikkor AF-S 35mm f/1.8G DX

Low light lens

$170 - $197

Prime lens Is a prime lens
Aperture Wider aperture
Image stabilization No image stabilization
Sigma 24-70mm f/2.8 IF EX DG HSM

Sigma 24-70mm f/2.8 IF EX DG HSM

Portrait lens

$1,288

Max focal length Slightly better telephoto
Image stabilization No image stabilization

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

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

Wide minimum Much narrower aperture
Image stabilization Better image stabilization
Aperture Narrower aperture
Nikon Nikkor AF-S 35mm f/1.8G DX

Nikon Nikkor AF-S 35mm f/1.8G DX

Low light lens

$170 - $197

Prime lens Is a prime lens
Aperture Wider aperture
Image stabilization No image stabilization

discussion Which do you think is better?

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