differences

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

Cheaper $599.99 vs $1,299.00
Help
The best price we've seen is $699 cheaper (2.2x less)
Slightly smaller diameter 84 mm vs 89 mm
Help
Around 10% smaller lens at the end
Slightly shorter 97 mm vs 112 mm
Help
More than 10% shorter
Slightly lighter 475 g vs 0.6 kg
Help
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

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

$288 - $369

Image stabilization Image stabilization
Lowest price Cheaper
Canon EF 11-24mm f/4L USM

Canon EF 11-24mm f/4L USM

Wide angle lens

$2,599 - $2,699

Aperture Narrower aperture
Canon EF 24-70mm f/2.8L II USM

Canon EF 24-70mm f/2.8L II USM

Wide angle lens

$1,599 - $1,749

Zoom range Slightly more zoom
Max focal length Slightly better telephoto
Lowest price Slightly more expensive

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

Canon EF 24mm f/2.8 IS USM

Canon EF 24mm f/2.8 IS USM

Wide angle lens

$549

Image stabilization Image stabilization
Prime lens Is a prime lens
Zoom range Less zoom
Canon EF 24-70mm f/4L IS USM

Canon EF 24-70mm f/4L IS USM

Macro lens

$699 - $899

Image stabilization Image stabilization
Magnification More magnification
Weight Slightly heavier
Canon 18-55mm f/3.5-5.6 IS STM

Canon 18-55mm f/3.5-5.6 IS STM

Wide angle lens

$119 - $249

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

discussion Which do you think is better?

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