differences

Reasons to consider the Canon EF 17-40mm f/4L USM

Cheaper $749.00 vs $1,299.00
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The best price we've seen is $550 cheaper (more than 40% less)
Slightly smaller diameter 84 mm vs 89 mm
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Around 10% smaller lens at the end
Slightly shorter 97 mm vs 112 mm
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More than 10% shorter
Slightly lighter 475 g vs 0.6 kg
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Around 30% lighter
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the Canon EF 17-40mm f/4L USM

Reasons to consider the Canon EF 16-35mm f/2.8L II USM

Wider aperture f/2.8 vs f/4
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At its widest, the EF 16-35mm f/2.8L II USM captures slightly more light (1 f-stop)
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the Canon EF 16-35mm f/2.8L II USM

similarities

Compared to digital camera lenses

Common Strengths Common Weaknesses
Fixed aperture Constant aperture lenses Help
The same maximum aperture at all focal lengths
Auto focus Auto focus Help
Easier to use
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses
Max focal length Poor telephoto Help
EF 17-40mm f/4L USM40 mm
EF 16-35mm f/2.8L II USM35 mm

Compared to digital camera lenses

Common Strengths Common Weaknesses
Wide minimum Wide aperture Help
f/22
Image stabilization No image stabilization Help
Risk of blur

competitors

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

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Canon EF 20mm f/2.8 USM

Wide angle lens

$539

Prime lens Is a prime lens
Aperture Wider aperture
Zoom range Less zoom
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Canon EF-S 17-55mm f/2.8 IS USM

Wide angle lens

$799

Image stabilization Image stabilization
Aperture Wider aperture
Length Slightly longer
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Canon EF 70-200mm f/4L USM

Telephoto lens

$599

Wide minimum Significantly narrower aperture
Max focal length Better telephoto
Length Longer

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

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Nikon Nikkor AF-S 14-24mm f/2.8G ED

Wide angle lens

$1,897

Lowest price More expensive
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Canon EF 14mm f/2.8L II USM

Fisheye lens

$2,099

Fisheye Fisheye lens
Prime lens Is a prime lens
Lowest price More expensive
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Sigma 17-50mm f/2.8 EX DC OS HSM Canon EF

Wide angle lens

$369

Image stabilization Image stabilization
Lowest price Cheaper

discussion Which do you think is better?

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