differences

Reasons to consider the Sigma 18-35mm f/1.8 DC HSM

Wider aperture f/1.8 vs f/2.8
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At its widest, the 18-35mm f/1.8 DC HSM captures much more light (1.3 f-stops)
Slightly smaller diameter 78 mm vs 84 mm
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Around 10% smaller lens at the end
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the Sigma 18-35mm f/1.8 DC HSM

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

Image stabilization Sigma OS vs None
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Helps eliminate blur caused by small camera movements
Narrower aperture f/22 vs f/16
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At its narrowest, the 17-50mm f/2.8 EX DC OS HSM Nikon F goes 0.9 f-stops narrower
Shorter 91 mm vs 121 mm
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More than 20% shorter
More zoom 2.9x vs 1.9x
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More than 50% more zoom, giving you more flexibility for photos
Slightly lighter 0.6 kg vs 0.8 kg
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More than 30% lighter
Slightly better telephoto 50 mm vs 35 mm
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More than 40% more reach, less perspective distortion
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the Sigma 17-50mm f/2.8 EX DC OS HSM Nikon F

similarities

Compared to digital camera lenses

Common Strengths Common Weaknesses
Fixed aperture Constant aperture lenses Help
The same maximum aperture at all focal lengths
Auto focus Auto focus Help
Easier to use
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses

competitors

Sigma 18-35mm f/1.8 DC HSM Competitors

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Nikon Nikkor AF-S DX 16-80mm f/2.8-4E ED VR

Wide angle lens

$1,067

Image stabilization Image stabilization
Zoom range More zoom
Fixed aperture Has a variable aperture
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Canon EF 24-70mm f/2.8L II USM

Wide angle lens

$1,699

Wide minimum Narrower aperture
Zoom range More zoom
Aperture Narrower aperture
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Sigma 17-70mm f/2.8-4 DC Macro OS HSM

Portrait lens

Image stabilization Image stabilization
Zoom range More zoom
Fixed aperture Has a variable aperture

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

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Nikon Nikkor 18-55mm f/3.5-5.6G VR AF-S DX

Wide angle lens

Image stabilization Better image stabilization
Diameter Smaller diameter
Wide minimum Much wider aperture
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Nikon Nikkor 17-55mm f/2.8G ED-IF AF-S DX

Wide angle lens

Zoom range Slightly more zoom
Image stabilization No image stabilization
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Nikon Nikkor AF-S 35mm f/1.8G DX

Low light lens

$175

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

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.

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