differences

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

Cheaper $635.89 vs $1,737.61
Help
The best price we've seen is $1,102 cheaper (2.7x 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
Canon EF 17-40mm f/4L USM Learn more about
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
Help
At its widest, the EF 16-35mm f/2.8L II USM captures slightly more light (1 f-stop)
Canon EF 16-35mm f/2.8L II USM Learn more about
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 16-35mm f/2.8L II USM Competitors

Canon EF 16-35mm f/4L IS USM

Canon EF 16-35mm f/4L IS USM

Wide angle lens

$959 - $999

Image stabilization Image stabilization
Lowest price Cheaper
Aperture Narrower aperture
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

$516 - $599

Lowest price Cheaper
Length Slightly shorter
Fixed aperture Has a variable aperture
Canon EF 24mm f/1.4L II USM

Canon EF 24mm f/1.4L II USM

Low light lens

$1,549

Prime lens Is a prime lens
Aperture Significantly wider aperture
Zoom range Less zoom

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

Tokina AT-X 16-28mm f/2.8 Pro FX Canon EF

Tokina AT-X 16-28mm f/2.8 Pro FX Canon EF

Wide angle lens

$579 - $674

Aperture Wider aperture
Length Longer
Placeholder

Tamron SP 15-30mm f/2.8 Di VC USD Canon-ef

Wide angle lens

$949 - $1,099

Image stabilization Image stabilization
Aperture Wider aperture
Focus motor Doesn't have a silent focus motor
Canon EF-S 10-18mm f/4.5-5.6 IS STM

Canon EF-S 10-18mm f/4.5-5.6 IS STM

Wide angle lens

$235 - $279

Image stabilization Image stabilization
Diameter Smaller diameter
Fixed aperture Has a variable aperture

discussion Which do you think is better?

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