Tamron
SP 10-24mm f/3.5-4.5 DI II Canon-ef
 vs
Sigma
10-20mm f/4-5.6 EX DC HSM Canon-ef

vs

differences

Reasons to consider the Tamron SP 10-24mm f/3.5-4.5 DI II Canon-ef
Wider aperture f/3.5 vs f/4
Help
 At its widest, the SP 10-24mm f/3.5-4.5 DI II Canon-ef captures marginally more light, 0.4 f-stops
Slightly more magnification 1:5.1 (0.2x) vs 1:6.7 (0.1x)
Help
 Take macro shots with subjects more than 30% larger in your photo
Slightly more zoom 2.4x vs 2x
Help
 Around 20% more zoom, giving you more flexibility for photos
Tamron SP 10-24mm f/3.5-4.5 DI II Canon-ef Learn more about
the Tamron SP 10-24mm f/3.5-4.5 DI II Canon-ef

Reasons to consider the Sigma 10-20mm f/4-5.6 EX DC HSM Canon-ef
Much narrower aperture f/22 vs f/4.5
Help
 At its narrowest, the 10-20mm f/4-5.6 EX DC HSM Canon-ef goes 4.6 f-stops narrower
Has a silent focus motor Sigma HSM vs None
Help
 Focuses quickly and silently
Sigma 10-20mm f/4-5.6 EX DC HSM Canon-ef Learn more about
the Sigma 10-20mm f/4-5.6 EX DC HSM Canon-ef

similarities

Compared to lenses

Common Strengths Common Weaknesses
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
SP 10-24mm f/3.5-4.5 DI II Canon-ef:24 mm
10-20mm f/4-5.6 EX DC HSM Canon-ef:20 mm
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.
Zoom range Poor zoom Help
SP 10-24mm f/3.5-4.5 DI II Canon-ef:2.4x
10-20mm f/4-5.6 EX DC HSM Canon-ef: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 SP 10-24mm f/3.5-4.5 DI II Canon-ef
Compare the EF-S 10-22mm f/3.5-4.5 USM vs the 10-20mm f/4-5.6 EX DC HSM Canon-ef
Tokina 11-16mm f/2.8 AT-X 116 Pro DX Nikon-f

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

Wide angle lens

$569
Aperture Has a wider aperture
Fixed aperture Has a fixed aperture
Compare the 11-16mm f/2.8 AT-X 116 Pro DX Nikon-f vs the SP 10-24mm f/3.5-4.5 DI II Canon-ef
Compare the 11-16mm f/2.8 AT-X 116 Pro DX Nikon-f vs the 10-20mm f/4-5.6 EX DC HSM Canon-ef
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

$569
Aperture Has a wider aperture
Fixed aperture Has a fixed aperture
Compare the 11-16mm f/2.8 AT-X 116 Pro DX Canon-ef vs the SP 10-24mm f/3.5-4.5 DI II Canon-ef
Compare the 11-16mm f/2.8 AT-X 116 Pro DX Canon-ef vs the 10-20mm f/4-5.6 EX DC HSM Canon-ef
Tokina 12-24mm f/4 AT-X 124AF Pro DX II Canon-ef

Tokina 12-24mm f/4 AT-X 124AF Pro DX II Canon-ef

Wide angle lens

$449
Fixed aperture Has a fixed aperture
Compare the 12-24mm f/4 AT-X 124AF Pro DX II Canon-ef vs the SP 10-24mm f/3.5-4.5 DI II Canon-ef
Compare the 12-24mm f/4 AT-X 124AF Pro DX II Canon-ef vs the 10-20mm f/4-5.6 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
Aperture Has a narrower aperture
Compare the 8-16mm f/4.5-5.6 DC HSM Canon-ef vs the SP 10-24mm f/3.5-4.5 DI II Canon-ef
Compare the 8-16mm f/4.5-5.6 DC HSM Canon-ef vs the 10-20mm f/4-5.6 EX DC HSM Canon-ef
Sigma 10-20mm f/3.5 EX DC HSM Canon-ef

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

Wide angle lens

$599
Fixed aperture Has a fixed aperture
Compare the 10-20mm f/3.5 EX DC HSM Canon-ef vs the SP 10-24mm f/3.5-4.5 DI II Canon-ef
Compare the 10-20mm f/3.5 EX DC HSM Canon-ef vs the 10-20mm f/4-5.6 EX DC HSM Canon-ef
Tokina 12-24mm f/4 AT-X 124 Pro DX II Nikon-f

Tokina 12-24mm f/4 AT-X 124 Pro DX II Nikon-f

Wide angle lens

$499
Fixed aperture Has a fixed aperture
Compare the 12-24mm f/4 AT-X 124 Pro DX II Nikon-f vs the SP 10-24mm f/3.5-4.5 DI II Canon-ef
Compare the 12-24mm f/4 AT-X 124 Pro DX II Nikon-f vs the 10-20mm f/4-5.6 EX DC HSM Canon-ef

Tamron SP 10-24mm f/3.5-4.5 DI II Canon-ef Competitors

Advantages

Disadvantages
Nikon Nikkor 10.5mm f/2.8G ED DX

Nikon Nikkor 10.5mm f/2.8G ED DX

Fisheye lens

$649
Fisheye Fisheye lens
Wide maximum Much narrower aperture
Zoom range Less zoom
Compare the Nikkor 10.5mm f/2.8G ED DX vs the SP 10-24mm f/3.5-4.5 DI II Canon-ef

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

Advantages

Disadvantages
Zeiss Distagon 28mm f/2 T* Canon-ef

Zeiss Distagon 28mm f/2 T* Canon-ef

Low light lens

$1,283
Prime lens Is a prime lens
Aperture Significantly wider aperture
Auto focus Auto focus
Focus motor Doesn't have a silent focus motor
Compare the Distagon 28mm f/2 T* Canon-ef vs the 10-20mm f/4-5.6 EX DC HSM Canon-ef
Sigma 18-50mm f/2.8-4.5 DC OS HSM Canon-ef

Sigma 18-50mm f/2.8-4.5 DC OS HSM Canon-ef

Wide angle lens

$199
Image stabilization Image stabilization
Aperture Wider aperture
Compare the 18-50mm f/2.8-4.5 DC OS HSM Canon-ef vs the 10-20mm f/4-5.6 EX DC HSM Canon-ef

discussion Which do you think is better?

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