Sigma
20mm f/1.8 EX DG DF RF Canon-ef
 vs
Canon
EF 20mm f/2.8 USM

vs

differences

Reasons to consider the Sigma 20mm f/1.8 EX DG DF RF Canon-ef
Wider aperture f/1.8 vs f/2.8
Help
 At its widest, the 20mm f/1.8 EX DG DF RF Canon-ef captures much more light, 1.3 f-stops
More magnification 1:4 (0.2x) vs 1:7.1 (0.1x)
Help
 Take macro shots with subjects around 80% larger in your photo
Sigma 20mm f/1.8 EX DG DF RF Canon-ef Learn more about
the Sigma 20mm f/1.8 EX DG DF RF Canon-ef

Reasons to consider the Canon EF 20mm f/2.8 USM
Has a silent focus motor Canon USM vs None
Help
 Focuses quickly and silently
Slightly shorter 71 mm vs 86 mm
Help
 Around 20% shorter
Canon EF 20mm f/2.8 USM Learn more about
the Canon EF 20mm f/2.8 USM

similarities

Compared to lenses

Common Strengths Common Weaknesses
Prime lens Fixed focal length prime lenses Help
Typically very sharp
Max focal length Poor telephoto Help
20 mm
Zoom range Poor zoom Help
1x

Compared to wide angle 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

competitors

Shared Competitors

Advantages

Disadvantages
Canon EF 28mm f/1.8 USM

Canon EF 28mm f/1.8 USM

Low light lens

$449
Compare the EF 28mm f/1.8 USM vs the 20mm f/1.8 EX DG DF RF Canon-ef
Compare the EF 28mm f/1.8 USM vs the EF 20mm f/2.8 USM
Canon EF 24mm f/2.8

Canon EF 24mm f/2.8

Wide angle lens

$330
Aperture Has a narrower aperture
Compare the EF 24mm f/2.8 vs the 20mm f/1.8 EX DG DF RF Canon-ef
Compare the EF 24mm f/2.8 vs the EF 20mm f/2.8 USM
Canon 24-105mm f/4L IS USM

Canon 24-105mm f/4L IS USM

Wide angle lens

$1,059
Max focal length Has a slightly shorter telephoto lens
Image stabilization Has image stabilization
Aperture Has a narrower aperture
Prime lens Is a zoom lens
Compare the 24-105mm f/4L IS USM vs the 20mm f/1.8 EX DG DF RF Canon-ef
Compare the 24-105mm f/4L IS USM vs the EF 20mm f/2.8 USM
Canon EF 16-35mm f/2.8L II USM

Canon EF 16-35mm f/2.8L II USM

Fisheye lens

$1,699
Fisheye Is a fisheye lens
Lowest price Is slightly more expensive
Aperture Has a narrower aperture
Compare the EF 16-35mm f/2.8L II USM vs the 20mm f/1.8 EX DG DF RF Canon-ef
Compare the EF 16-35mm f/2.8L II USM vs the EF 20mm f/2.8 USM
Canon EF 24mm f/1.4L II USM

Canon EF 24mm f/1.4L II USM

Low light lens

$1,549
Compare the EF 24mm f/1.4L II USM vs the 20mm f/1.8 EX DG DF RF Canon-ef
Compare the EF 24mm f/1.4L II USM vs the EF 20mm f/2.8 USM
Sigma 30mm f/1.4 EX DC HSM Canon-ef

Sigma 30mm f/1.4 EX DC HSM Canon-ef

Low light lens

$499
Wide maximum Has a lower max f/stop
Compare the 30mm f/1.4 EX DC HSM Canon-ef vs the 20mm f/1.8 EX DG DF RF Canon-ef
Compare the 30mm f/1.4 EX DC HSM Canon-ef vs the EF 20mm f/2.8 USM
Canon EF 50mm f/1.2L USM

Canon EF 50mm f/1.2L USM

Low light lens

$1,439
Aperture Has a wider aperture
Compare the EF 50mm f/1.2L USM vs the 20mm f/1.8 EX DG DF RF Canon-ef
Compare the EF 50mm f/1.2L USM vs the EF 20mm f/2.8 USM

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

Advantages

Disadvantages
Nikon Nikkor 20mm f/2.8D

Nikon Nikkor 20mm f/2.8D

Wide angle lens

$529
Length Shorter
Weight Slightly lighter
Aperture Narrower aperture
Magnification Less magnification
Compare the Nikkor 20mm f/2.8D vs the 20mm f/1.8 EX DG DF RF Canon-ef
Tokina AT-X 16-28mm f/2.8 Pro FX Canon-ef

Tokina AT-X 16-28mm f/2.8 Pro FX Canon-ef

Wide angle lens

$749
Zoom range Slightly more zoom
Prime lens Is a zoom lens
Aperture Narrower aperture
Compare the AT-X 16-28mm f/2.8 Pro FX Canon-ef vs the 20mm f/1.8 EX DG DF RF Canon-ef
Pentax SMC DA 21mm f/3.2 AL

Pentax SMC DA 21mm f/3.2 AL

Lens

$647
Length Shorter
Weight Slightly lighter
Aperture Significantly narrower aperture
Magnification Less magnification
Compare the SMC DA 21mm f/3.2 AL vs the 20mm f/1.8 EX DG DF RF Canon-ef
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
Focus motor Has a silent focus motor
Image stabilization Image stabilization
Prime lens Is a zoom lens
Aperture Narrower aperture
Compare the 17-50mm f/2.8 EX DC OS HSM Canon-ef vs the 20mm f/1.8 EX DG DF RF Canon-ef
Sigma 24mm f/1.8 EX DG DF Macro Canon-ef

Sigma 24mm f/1.8 EX DG DF Macro Canon-ef

Low light lens

$549
Magnification More magnification
Compare the 24mm f/1.8 EX DG DF Macro Canon-ef vs the 20mm f/1.8 EX DG DF RF Canon-ef

Canon EF 20mm f/2.8 USM Competitors

Advantages

Disadvantages
Canon EF 35mm f/2

Canon EF 35mm f/2

Low light lens

$289
Aperture Wider aperture
Magnification More magnification
Focus motor Doesn't have a silent focus motor
Min focal length Slightly worse wide angle
Compare the EF 35mm f/2 vs the EF 20mm f/2.8 USM
Canon EF 24mm f/2.8 IS USM

Canon EF 24mm f/2.8 IS USM

Wide angle lens

$699
Image stabilization Image stabilization
Compare the EF 24mm f/2.8 IS USM vs the EF 20mm f/2.8 USM
Canon 50mm f/1.4 USM

Canon 50mm f/1.4 USM

Low light lens
Aperture Significantly wider aperture
Length Slightly shorter
Min focal length Slightly worse wide angle
Compare the 50mm f/1.4 USM vs the EF 20mm f/2.8 USM

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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