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
Slightly shorter 82 mm vs 101 mm
Help
Around 20% shorter
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 Canon EF-S 18-135mm f/3.5-5.6 IS

Image stabilization Canon IS vs None
Help
Helps eliminate blur caused by small camera movements
Significantly more zoom 7.5x vs 2.9x
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More than 2.5x more zoom, giving you more flexibility for photos
Better telephoto 135 mm vs 50 mm
Help
More than 2.5x more reach, less perspective distortion
Canon EF-S 18-135mm f/3.5-5.6 IS Learn more about
the Canon EF-S 18-135mm f/3.5-5.6 IS

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
Focus motor No silent focus motor Help
Louder and slower

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

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

Aperture Has a narrower aperture
Wide maximum Has a lower max f/stop
Canon 24-105mm f/4L IS USM

Canon 24-105mm f/4L IS USM

Wide angle lens

$1,059

Focus motor Has a silent focus motor
Aperture Has a narrower aperture
Wide maximum Has a lower max f/stop
Canon EF 50mm f/1.8 II

Canon EF 50mm f/1.8 II

Low light lens

$98 - $125

Aperture Has a wider aperture
Prime lens Is a fixed focal length prime lens
Wide maximum Has a lower max f/stop
Zoom range Has slightly smaller zoom range
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
Aperture Has a narrower aperture
Wide maximum Has a lower max f/stop
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 Is a fisheye lens
Focus motor Has a silent focus motor
Canon EF-S 17-55mm f/2.8 IS USM

Canon EF-S 17-55mm f/2.8 IS USM

Wide angle lens

$1,059

Focus motor Has a silent focus motor
Wide maximum Has a lower max f/stop
Canon EF-S 15-85mm f/3.5-5.6 IS USM

Canon EF-S 15-85mm f/3.5-5.6 IS USM

Travel lens

$699

Focus motor Has a silent focus motor
Aperture Has a narrower aperture

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

Advantages

Disadvantages

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
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
Sigma 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef

Sigma 17-70mm f/2.8-4 DC Macro OS HSM Canon-ef

Wide angle lens

$499

Focus motor Has a silent focus motor
Image stabilization Image stabilization
Fixed aperture Has a variable aperture

Canon EF-S 18-135mm f/3.5-5.6 IS Competitors

Advantages

Disadvantages

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

Zoom range More zoom
Max focal length Better telephoto
Weight Slightly heavier
Canon EF 28-135mm f/3.5-5.6 IS USM

Canon EF 28-135mm f/3.5-5.6 IS USM

Travel lens

$479

Focus motor Has a silent focus motor
Length Slightly shorter
Zoom range Less zoom
Canon EF-S 55-250mm f/4-5.6 IS

Canon EF-S 55-250mm f/4-5.6 IS

Wildlife lens

$299

Max focal length Better telephoto
Zoom range Less zoom
Aperture Narrower aperture
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

Focus motor Has a silent focus motor
Zoom range Less zoom
Max focal length Slightly worse telephoto
Canon 75-300mm f/4-5.6 III USM

Canon 75-300mm f/4-5.6 III USM

Wildlife lens

$169

Focus motor Has a silent focus motor
Max focal length Better telephoto
Image stabilization No image stabilization
Zoom range Less zoom

discussion Which do you think is better?

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