Tamron
17-50mm f/2.8 XR Di II LD Canon-ef
 vs
Sigma
18-200mm f/3.5-6.3 II DC OS HSM

vs

differences

Reasons to consider the Tamron 17-50mm f/2.8 XR Di II LD Canon-ef
Has a consant aperture Yes vs No
Help
 Constant aperture lenses offer the same aperture at all focal lengths
Wider aperture f/2.8 vs f/3.5
Help
 At its widest, the 17-50mm f/2.8 XR Di II LD Canon-ef captures slightly more light, 0.6 f-stops
Tamron 17-50mm f/2.8 XR Di II LD Canon-ef Learn more about
the Tamron 17-50mm f/2.8 XR Di II LD Canon-ef

Reasons to consider the Sigma 18-200mm f/3.5-6.3 II DC OS HSM
Much more zoom 11.1x vs 2.9x
Help
 Around 4x more zoom, giving you more flexibility for photos
Has a silent focus motor Sigma HSM vs None
Help
 Focuses quickly and silently
Image stabilization Sigma OS vs None
Help
 Helps eliminate blur caused by small camera movements
Better telephoto 200 mm vs 50 mm
Help
 4x more reach, less perspective distortion
Sigma 18-200mm f/3.5-6.3 II DC OS HSM Learn more about
the Sigma 18-200mm f/3.5-6.3 II DC OS HSM

similarities

Compared to lenses

Common Strengths Common Weaknesses

LensHero is not aware of any interesting strengths shared by these two products.
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses

Compared to portrait 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
Canon 24-105mm f/4L IS USM

Canon 24-105mm f/4L IS USM

Wide angle lens

$1,059
Image stabilization Has better image stabilization
Aperture Has a narrower aperture
Wide maximum Has a lower max f/stop
Compare the 24-105mm f/4L IS USM vs the 17-50mm f/2.8 XR Di II LD Canon-ef
Compare the 24-105mm f/4L IS USM vs the 18-200mm f/3.5-6.3 II DC OS HSM

Tamron 17-50mm f/2.8 XR Di II LD Canon-ef Competitors

Advantages

Disadvantages
Canon EF 17-40mm f/4L USM

Canon EF 17-40mm f/4L USM

Wide angle lens

$739
Focus motor Has a silent focus motor
Magnification Slightly more magnification
Wide maximum Significantly wider aperture
Aperture Narrower aperture
Compare the EF 17-40mm f/4L USM vs the 17-50mm f/2.8 XR Di II LD 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
Wide maximum Significantly wider aperture
Weight Slightly heavier
Compare the 17-50mm f/2.8 EX DC OS HSM Canon-ef vs the 17-50mm f/2.8 XR Di II LD Canon-ef
Canon EF 16-35mm f/2.8L II USM

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

Fisheye lens

$1,499 - $1,699
Fisheye Fisheye lens
Focus motor Has a silent focus motor
Lowest price More expensive
Zoom range Slightly less zoom
Compare the EF 16-35mm f/2.8L II USM vs the 17-50mm f/2.8 XR Di II LD 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
Focus motor Has a silent focus motor
Image stabilization Image stabilization
Fixed aperture Has a variable aperture
Wide maximum Significantly wider aperture
Compare the 18-50mm f/2.8-4.5 DC OS HSM Canon-ef vs the 17-50mm f/2.8 XR Di II LD Canon-ef
Canon EF-S 18-55mm f/3.5-5.6 IS

Canon EF-S 18-55mm f/3.5-5.6 IS

Wide angle lens

$185 - $199
Image stabilization Image stabilization
Magnification More magnification
Fixed aperture Has a variable aperture
Wide maximum Significantly wider aperture
Compare the EF-S 18-55mm f/3.5-5.6 IS vs the 17-50mm f/2.8 XR Di II LD Canon-ef

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

Advantages

Disadvantages
Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM Nikon-f

Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM Nikon-f

Travel lens

$399
Zoom range More zoom
Max focal length Better telephoto
Compare the 18-250mm f/3.5-6.3 DC Macro OS HSM Nikon-f vs the 18-200mm f/3.5-6.3 II DC OS HSM
Sony E-Mount 18-200mm f/3.5-6.3

Sony E-Mount 18-200mm f/3.5-6.3

Travel lens

$898
Focus motor Doesn't have a silent focus motor
Image stabilization No image stabilization
Compare the E-Mount 18-200mm f/3.5-6.3 vs the 18-200mm f/3.5-6.3 II DC OS HSM
Canon EF 70-300mm f/4-5.6 IS USM

Canon EF 70-300mm f/4-5.6 IS USM

Wildlife lens

$649
Image stabilization Better image stabilization
Max focal length Better telephoto
Zoom range Much less zoom
Min focal length Worse wide angle
Compare the EF 70-300mm f/4-5.6 IS USM vs the 18-200mm f/3.5-6.3 II DC OS HSM
Canon EF-S 18-200mm f/3.5-5.6 IS

Canon EF-S 18-200mm f/3.5-5.6 IS

Travel lens

$699
Image stabilization Better image stabilization
Focus motor Doesn't have a silent focus motor
Lowest price Slightly more expensive
Compare the EF-S 18-200mm f/3.5-5.6 IS vs the 18-200mm f/3.5-6.3 II DC OS HSM
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 Better image stabilization
Zoom range Significantly less zoom
Max focal length Worse telephoto
Compare the Nikkor 18-105mm f/3.5-5.6G ED VR AF-S DX vs the 18-200mm f/3.5-6.3 II DC OS HSM

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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