Sigma
20mm f/1.8 EX DG DF RF Nikon-f
 vs
Sigma
18-125mm f/3.8-5.6 DC OS HSM Nikon-f

vs

differences

Reasons to consider the Sigma 20mm f/1.8 EX DG DF RF Nikon-f
Is a prime lens Yes vs No
Help
 Prime lenses have a single focal length, they are typically sharper and have wider apertures
Significantly wider aperture f/1.8 vs f/3.8
Help
 At its widest, the 20mm f/1.8 EX DG DF RF Nikon-f captures much more light, 2.2 f-stops
Sigma 20mm f/1.8 EX DG DF RF Nikon-f Learn more about
the Sigma 20mm f/1.8 EX DG DF RF Nikon-f

Reasons to consider the Sigma 18-125mm f/3.8-5.6 DC OS HSM Nikon-f
Has a silent focus motor Sigma HSM vs None
Help
 Focuses quickly and silently
Significantly more zoom 6.9x vs 1x
Help
 Around 7x more zoom, giving you more flexibility for photos
Image stabilization Sigma OS vs None
Help
 Helps eliminate blur caused by small camera movements
Better telephoto 125 mm vs 20 mm
Help
 Around 6.5x more reach, less perspective distortion
Slightly smaller diameter 74 mm vs 89 mm
Help
 Around 20% smaller lens at the end
Slightly cheaper $339.00 vs $629.00
Help
 The best price we've seen is $290 cheaper (around 50% less)
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

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.

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 20mm f/1.8 EX DG DF RF 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 ED II AF-S DX

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

Wide angle lens

$99
Aperture Has a narrower aperture
Compare the Nikkor 18-55mm f/3.5-5.6G ED II AF-S DX vs the 20mm f/1.8 EX DG DF RF Nikon-f
Compare the Nikkor 18-55mm f/3.5-5.6G ED II AF-S DX vs the 18-125mm f/3.8-5.6 DC OS HSM Nikon-f

Sigma 20mm f/1.8 EX DG DF RF Nikon-f Competitors

Advantages

Disadvantages
Tamron 14mm f/2.8 IF Nikon-f

Tamron 14mm f/2.8 IF Nikon-f

Wide angle lens

$799
Aperture Narrower aperture
Magnification Less magnification
Compare the 14mm f/2.8 IF Nikon-f vs the 20mm f/1.8 EX DG DF RF Nikon-f
Samsung 16mm f/2.4 Pancake

Samsung 16mm f/2.4 Pancake

Low light lens

$300
Weight Lighter
Lowest price Slightly cheaper
Aperture Narrower aperture
Magnification Less magnification
Compare the 16mm f/2.4 Pancake vs the 20mm f/1.8 EX DG DF RF Nikon-f
Zeiss Distagon 15mm f/2.8 ZE Canon-ef

Zeiss Distagon 15mm f/2.8 ZE Canon-ef

Wide angle lens

$2,950
Auto focus Auto focus
Aperture Narrower aperture
Compare the Distagon 15mm f/2.8 ZE Canon-ef vs the 20mm f/1.8 EX DG DF RF Nikon-f
Zeiss Distagon 21mm f/2.8 ZF T* Nikon-f

Zeiss Distagon 21mm f/2.8 ZF T* Nikon-f

Wide angle lens

$1,490
Auto focus Auto focus
Aperture Narrower aperture
Compare the Distagon 21mm f/2.8 ZF T* Nikon-f vs the 20mm f/1.8 EX DG DF RF Nikon-f
Sigma 10-20mm f/3.5 EX DC HSM Nikon-f

Sigma 10-20mm f/3.5 EX DC HSM Nikon-f

Wide angle lens

$599
Focus motor Has a silent focus motor
Zoom range More zoom
Prime lens Is a zoom lens
Aperture Significantly narrower aperture
Compare the 10-20mm f/3.5 EX DC HSM Nikon-f vs the 20mm f/1.8 EX DG DF RF Nikon-f

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

Advantages

Disadvantages
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 Better image stabilization
Aperture Slightly wider aperture
Zoom range Less zoom
Max focal length Slightly worse telephoto
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
Nikon Nikkor AF-S 55-300mm f/4.5-5.6G ED VR

Nikon Nikkor AF-S 55-300mm f/4.5-5.6G ED VR

Wildlife lens

$397
Max focal length Significantly better telephoto
Image stabilization Better image stabilization
Aperture Narrower aperture
Zoom range Less zoom
Compare the Nikkor AF-S 55-300mm f/4.5-5.6G ED VR vs the 18-125mm f/3.8-5.6 DC OS HSM Nikon-f
Nikon Nikkor AF-S DX VR 55-200mm f/4-5.6G IF-ED

Nikon Nikkor AF-S DX VR 55-200mm f/4-5.6G IF-ED

Wildlife lens

$247
Image stabilization Better image stabilization
Max focal length Better telephoto
Zoom range Less zoom
Min focal length Worse wide angle
Compare the Nikkor AF-S DX VR 55-200mm f/4-5.6G IF-ED vs the 18-125mm f/3.8-5.6 DC OS HSM Nikon-f
Tamron 18-250mm f/3.5-6.3 Di-II LD IF Macro Nikon-f

Tamron 18-250mm f/3.5-6.3 Di-II LD IF Macro Nikon-f

Travel lens

$279
Zoom range Much more zoom
Max focal length Better telephoto
Focus motor Doesn't have a silent focus motor
Image stabilization No image stabilization
Compare the 18-250mm f/3.5-6.3 Di-II LD IF Macro 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

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
“LensHero will help you cut through the sheer number of lenses out there to find the few you want to read more about”
- LifeHacker
“Finding the right lens on Lenshero is incredibly easy!”
- Revell Photography
“I am in love with LensHero.”
- Shoot from the Belly
“Kind of a little bit in love with LensHero”
- @alicetragedy
“No technical stuff whatsoever, just plain and simple questions complete with examples so that any user can understand”
- Karel Donk, Photographer
“I love that I can pull up different lenses in my price range that will fit my DSLR.”
- Jennifer Sutton
feedback and support | about | blog | privacy and legal
Copyright © 2013 by LensHero, Inc. All Rights Reserved.
Rebellion Media Technology