Sigma
10-20mm f/4-5.6 EX DC HSM Four-thirds
 vs
Sigma
10-20mm f/3.5 EX DC HSM Canon-ef

vs

differences

Reasons to consider the Sigma 10-20mm f/4-5.6 EX DC HSM Four-thirds
Much narrower aperture f/22 vs f/3.5
Help
 At its narrowest, the 10-20mm f/4-5.6 EX DC HSM Four-thirds goes 5.3 f-stops narrower
Sigma 10-20mm f/4-5.6 EX DC HSM Four-thirds Learn more about
the Sigma 10-20mm f/4-5.6 EX DC HSM Four-thirds

Reasons to consider the Sigma 10-20mm f/3.5 EX DC HSM Canon-ef
Has a consant aperture Yes vs No
Help
 Constant aperture lenses offer the same aperture at all focal lengths
Wider aperture f/3.5 vs f/4
Help
 At its widest, the 10-20mm f/3.5 EX DC HSM Canon-ef captures marginally more light, 0.4 f-stops
Sigma 10-20mm f/3.5 EX DC HSM Canon-ef Learn more about
the Sigma 10-20mm f/3.5 EX DC HSM Canon-ef

similarities

Compared to lenses

Common Strengths Common Weaknesses
Focus motor Silent focus motor Help
Silent and fast
Min focal length Good wide-angle Help
10 mm
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses
Max focal length Poor telephoto Help
20 mm
Magnification Poor magnification Help
10-20mm f/4-5.6 EX DC HSM Four-thirds:1:6.7 (0.1x)
10-20mm f/3.5 EX DC HSM Canon-ef:1:6.6 (0.2x)

Compared to wide angle lenses

Common Strengths Common Weaknesses

LensHero is not aware of any interesting strengths shared by these two products.
Zoom range Poor zoom Help
2x
Image stabilization No image stabilization Help
Risk of blur

competitors

Shared Competitors

Advantages

Disadvantages
Canon EF-S 10-22mm f/3.5-4.5 USM

Canon EF-S 10-22mm f/3.5-4.5 USM

Wide angle lens

$759
Wide maximum Has a higher max f/stop
Compare the EF-S 10-22mm f/3.5-4.5 USM vs the 10-20mm f/4-5.6 EX DC HSM Four-thirds
Compare the EF-S 10-22mm f/3.5-4.5 USM vs the 10-20mm f/3.5 EX DC HSM Canon-ef
Olympus Zuiko 9-18mm f/4-5.6 ED

Olympus Zuiko 9-18mm f/4-5.6 ED

Wide angle lens

$599
Focus motor Lacks a silent focus motor
Compare the Zuiko 9-18mm f/4-5.6 ED vs the 10-20mm f/4-5.6 EX DC HSM Four-thirds
Compare the Zuiko 9-18mm f/4-5.6 ED vs the 10-20mm f/3.5 EX DC HSM Canon-ef
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
Compare the 10-20mm f/3.5 EX DC HSM Nikon-f vs the 10-20mm f/4-5.6 EX DC HSM Four-thirds
Compare the 10-20mm f/3.5 EX DC HSM Nikon-f vs the 10-20mm f/3.5 EX DC HSM Canon-ef
Rokinon 14mm f/2.8 IF ED UMC Four-thirds

Rokinon 14mm f/2.8 IF ED UMC Four-thirds

Wide angle lens

$349
Aperture Has a wider aperture
Prime lens Is a fixed focal length prime lens
Auto focus Lacks autofocus
Focus motor Lacks a silent focus motor
Compare the 14mm f/2.8 IF ED UMC Four-thirds vs the 10-20mm f/4-5.6 EX DC HSM Four-thirds
Compare the 14mm f/2.8 IF ED UMC Four-thirds vs the 10-20mm f/3.5 EX DC HSM Canon-ef

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

Advantages

Disadvantages
Samsung 20mm f/2.8

Samsung 20mm f/2.8

Lens

$279
Prime lens Is a prime lens
Aperture Wider aperture
Focus motor Doesn't have a silent focus motor
Zoom range Less zoom
Compare the 20mm f/2.8 vs the 10-20mm f/4-5.6 EX DC HSM Four-thirds
Olympus Zuiko M. ED 12mm f/2

Olympus Zuiko M. ED 12mm f/2

Low light lens

$799
Prime lens Is a prime lens
Aperture Significantly wider aperture
Focus motor Doesn't have a silent focus motor
Zoom range Less zoom
Compare the Zuiko M. ED 12mm f/2 vs the 10-20mm f/4-5.6 EX DC HSM Four-thirds
Sigma 28mm f/1.8 EX DG DF Macro Canon-ef

Sigma 28mm f/1.8 EX DG DF Macro Canon-ef

Low light lens

$449
Aperture Much wider aperture
Prime lens Is a prime lens
Focus motor Doesn't have a silent focus motor
Zoom range Less zoom
Compare the 28mm f/1.8 EX DG DF Macro Canon-ef vs the 10-20mm f/4-5.6 EX DC HSM Four-thirds
Samyang 7.5mm f/3.5 CS /

Samyang 7.5mm f/3.5 CS /

Fisheye lens

$299
Fisheye Fisheye lens
Prime lens Is a prime lens
Focus motor Doesn't have a silent focus motor
Zoom range Less zoom
Compare the 7.5mm f/3.5 CS / vs the 10-20mm f/4-5.6 EX DC HSM Four-thirds
Tokina 10-17mm f/3.5-4.5 AT-X 107 DX Nikon-f

Tokina 10-17mm f/3.5-4.5 AT-X 107 DX Nikon-f

Fisheye lens

$579
Fisheye Fisheye lens
Magnification More magnification
Focus motor Doesn't have a silent focus motor
Compare the 10-17mm f/3.5-4.5 AT-X 107 DX Nikon-f vs the 10-20mm f/4-5.6 EX DC HSM Four-thirds

Sigma 10-20mm f/3.5 EX DC HSM Canon-ef Competitors

Advantages

Disadvantages
Tokina 11-16mm f/2.8 AT-X 116 Pro DX Canon-ef

Tokina 11-16mm f/2.8 AT-X 116 Pro DX Canon-ef

Wide angle lens

$599
Wide maximum Much narrower aperture
Aperture Wider aperture
Focus motor Doesn't have a silent focus motor
Magnification Slightly less magnification
Compare the 11-16mm f/2.8 AT-X 116 Pro DX Canon-ef vs the 10-20mm f/3.5 EX DC HSM Canon-ef
Sony 20mm f/2.8

Sony 20mm f/2.8

Wide angle lens

$348
Wide maximum Much narrower aperture
Prime lens Is a prime lens
Focus motor Doesn't have a silent focus motor
Zoom range Less zoom
Compare the 20mm f/2.8 vs the 10-20mm f/3.5 EX DC HSM Canon-ef
Sigma 20mm f/1.8 EX DG DF RF Sony-alpha

Sigma 20mm f/1.8 EX DG DF RF Sony-alpha

Low light lens

$629
Wide maximum Much narrower aperture
Prime lens Is a prime lens
Focus motor Doesn't have a silent focus motor
Zoom range Less zoom
Compare the 20mm f/1.8 EX DG DF RF Sony-alpha vs the 10-20mm f/3.5 EX DC HSM Canon-ef
Rokinon 14mm f/2.8 IF ED UMC Canon-ef

Rokinon 14mm f/2.8 IF ED UMC Canon-ef

Wide angle lens

$349
Prime lens Is a prime lens
Aperture Wider aperture
Auto focus Auto focus
Focus motor Doesn't have a silent focus motor
Compare the 14mm f/2.8 IF ED UMC Canon-ef vs the 10-20mm f/3.5 EX DC HSM Canon-ef
Sigma 8-16mm f/4.5-5.6 DC HSM Canon-ef

Sigma 8-16mm f/4.5-5.6 DC HSM Canon-ef

Wide angle lens

$649
Wide maximum Much narrower aperture
Fixed aperture Has a variable aperture
Aperture Narrower aperture
Compare the 8-16mm f/4.5-5.6 DC HSM Canon-ef vs the 10-20mm f/3.5 EX DC HSM Canon-ef

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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