Sigma
18-50mm f/2.8-4.5 DC OS HSM Nikon-f
 vs
Sigma
18-125mm f/3.8-5.6 DC OS HSM Nikon-f

vs

differences

Reasons to consider the Sigma 18-50mm f/2.8-4.5 DC OS HSM Nikon-f
Wider aperture f/2.8 vs f/3.8
Help
 At its widest, the 18-50mm f/2.8-4.5 DC OS HSM Nikon-f captures slightly more light, 0.9 f-stops
Sigma 18-50mm f/2.8-4.5 DC OS HSM Nikon-f Learn more about
the Sigma 18-50mm f/2.8-4.5 DC OS HSM Nikon-f

Reasons to consider the Sigma 18-125mm f/3.8-5.6 DC OS HSM Nikon-f
Significantly more zoom 6.9x vs 2.8x
Help
 More than 2.5x more zoom, giving you more flexibility for photos
Better telephoto 125 mm vs 50 mm
Help
 2.5x more reach, less perspective distortion
Sigma 18-125mm f/3.8-5.6 DC OS HSM Nikon-f Learn more about
the Sigma 18-125mm f/3.8-5.6 DC OS HSM Nikon-f

similarities

Compared to lenses

Common Strengths Common Weaknesses
Focus motor Silent focus motor Help
Silent and fast
Image stabilization Good image stabilization Help
Sigma OS
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses
Fixed aperture Both are variable aperture lenses Help
Narrower aperture at longer focal lengths

Compared to wide angle 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
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 Has better image stabilization
Aperture Has a narrower aperture
Compare the Nikkor 18-105mm f/3.5-5.6G ED VR AF-S DX vs the 18-50mm f/2.8-4.5 DC OS HSM Nikon-f
Compare the Nikkor 18-105mm f/3.5-5.6G ED VR AF-S DX vs the 18-125mm f/3.8-5.6 DC OS HSM Nikon-f
Nikon Nikkor 18-55mm f/3.5-5.6G VR AF-S DX

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

Wide angle lens

$109 - $197
Image stabilization Has better image stabilization
Aperture Has a narrower aperture
Compare the Nikkor 18-55mm f/3.5-5.6G VR AF-S DX vs the 18-50mm f/2.8-4.5 DC OS HSM Nikon-f
Compare the Nikkor 18-55mm f/3.5-5.6G VR AF-S DX vs the 18-125mm f/3.8-5.6 DC OS HSM Nikon-f
Nikon Nikkor AF-S DX 18-105mm f/3.5-5.6G ED VR

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

Travel lens
Image stabilization Has better image stabilization
Aperture Has a narrower aperture
Compare the Nikkor AF-S DX 18-105mm f/3.5-5.6G ED VR vs the 18-50mm f/2.8-4.5 DC OS HSM Nikon-f
Compare the Nikkor AF-S DX 18-105mm f/3.5-5.6G ED VR vs the 18-125mm f/3.8-5.6 DC OS HSM Nikon-f
Sigma 17-50mm f/2.8 EX DC OS HSM Nikon-f

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

Wide angle lens

$594
Fixed aperture Has a fixed aperture
Compare the 17-50mm f/2.8 EX DC OS HSM Nikon-f vs the 18-50mm f/2.8-4.5 DC OS HSM Nikon-f
Compare the 17-50mm f/2.8 EX DC OS HSM Nikon-f vs the 18-125mm f/3.8-5.6 DC OS HSM Nikon-f
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 better image stabilization
Aperture Has a narrower aperture
Compare the Nikkor 16-85mm f/3.5-5.6G ED VR AF-S DX vs the 18-50mm f/2.8-4.5 DC OS HSM Nikon-f
Compare the Nikkor 16-85mm f/3.5-5.6G ED VR AF-S DX vs the 18-125mm f/3.8-5.6 DC OS HSM Nikon-f
Placeholder

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

Wide angle lens
Aperture Has a narrower aperture
Image stabilization Doesn't have image stabilization
Compare the Nikkor AF-S DX 18-70mm f/3.5-4.5G vs the 18-50mm f/2.8-4.5 DC OS HSM Nikon-f
Compare the Nikkor AF-S DX 18-70mm f/3.5-4.5G vs the 18-125mm f/3.8-5.6 DC OS HSM Nikon-f
Nikon Nikkor AF-S 50mm f/1.8G

Nikon Nikkor AF-S 50mm f/1.8G

Low light lens

$217
Aperture Has a wider aperture
Prime lens Is a fixed focal length prime lens
Image stabilization Doesn't have image stabilization
Zoom range Has slightly smaller zoom range
Compare the Nikkor AF-S 50mm f/1.8G vs the 18-50mm f/2.8-4.5 DC OS HSM Nikon-f
Compare the Nikkor AF-S 50mm f/1.8G vs the 18-125mm f/3.8-5.6 DC OS HSM Nikon-f

Sigma 18-50mm f/2.8-4.5 DC OS HSM Nikon-f Competitors

Advantages

Disadvantages
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
Fixed aperture Has a consant aperture
Zoom range Slightly more zoom
Image stabilization No image stabilization
Lowest price More expensive
Compare the Nikkor 17-55mm f/2.8G ED-IF AF-S DX vs the 18-50mm f/2.8-4.5 DC OS HSM Nikon-f
Nikon Nikkor AF-S 35mm f/1.8G DX

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

Low light lens

$197
Prime lens Is a prime lens
Aperture Wider aperture
Image stabilization No image stabilization
Zoom range Less zoom
Compare the Nikkor AF-S 35mm f/1.8G DX vs the 18-50mm f/2.8-4.5 DC OS HSM Nikon-f
Nikon Nikkor 70-300mm f/4-5.6G

Nikon Nikkor 70-300mm f/4-5.6G

Wildlife lens

$150
Max focal length Significantly better telephoto
Wide maximum Significantly narrower aperture
Focus motor Doesn't have a silent focus motor
Image stabilization No image stabilization
Compare the Nikkor 70-300mm f/4-5.6G vs the 18-50mm f/2.8-4.5 DC OS HSM Nikon-f
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
Fixed aperture Has a consant aperture
Wide maximum Significantly narrower aperture
Focus motor Doesn't have a silent focus motor
Lowest price Slightly more expensive
Compare the SP 17-50mm f/2.8 XR Di-II VC LD Nikon-f vs the 18-50mm f/2.8-4.5 DC OS HSM Nikon-f

Sigma 18-125mm f/3.8-5.6 DC OS HSM Nikon-f Competitors

Advantages

Disadvantages
Sigma 18-200mm f/3.5-6.3 II DC OS HSM Nikon-f

Sigma 18-200mm f/3.5-6.3 II DC OS HSM Nikon-f

Travel lens

$349
Zoom range Significantly more zoom
Max focal length Better telephoto
Compare the 18-200mm f/3.5-6.3 II DC OS HSM Nikon-f vs the 18-125mm f/3.8-5.6 DC OS HSM Nikon-f
Nikon Nikkor AF-S 24-120mm f/4G ED VR

Nikon Nikkor AF-S 24-120mm f/4G ED VR

Wide angle lens

$1,297
Fixed aperture Has a consant aperture
Image stabilization Better image stabilization
Zoom range Less zoom
Lowest price More expensive
Compare the Nikkor AF-S 24-120mm f/4G ED VR vs the 18-125mm f/3.8-5.6 DC OS HSM Nikon-f
Sigma 10-20mm f/4-5.6 EX DC HSM

Sigma 10-20mm f/4-5.6 EX DC HSM

Wide angle lens

$479
Image stabilization No image stabilization
Zoom range Significantly less zoom
Compare the 10-20mm f/4-5.6 EX DC HSM vs the 18-125mm f/3.8-5.6 DC OS HSM Nikon-f

discussion Which do you think is better?

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