SeekerCanon EF 17-40mm f/4L USM
The Canon EF 17-40mm f/4L USM lens is an inexpensive alternative to the 16-35mm f/2.8, but its edges are muddy at its widest angle.
-- As reviewed by PCMag
Product details
- 17 40 millimeter ultra wide angle zoom lens with f/4 maximum aperture for Canon SLR Cameras. Diagonal angle of view 104° 57° 30'
- 3 aspherical lens elements and super UD glass element create superior optics in all conditions, Closest focusing distance: 0.9 feet
- Powerful ring type ultrasonic monitor (USM) produces fast and silent autofocusing, Focuses as close as 11 inches, supports screw in 77 millimeter filters or up to 3 gel filters. Rounded seven-blade diaphragm contributes to a pleasing out of focus quality that benefits the use of shallow depth of field and selective focus techniques
- Suitable for Wedding/Nature Photography, Weather resistant construction, Water and Dust Resistant, measures 3.3 inches in diameter, 1 year warranty
- Purchase this product between May 1, 2016 and July 30, 2016 and get 13 months of free damage protection from Canon. The product must be registered within 30 days of the purchase date to be eligible
PROS
+ Ultra-wide field of view.
+ Reasonable price tag.
+ Good center sharpness.
CONS
- Muddy edges and corners at 17mm.
- Some distortion.
- Noticeable color fringing.
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Expert reviews and ratings
By PCMag on February 19, 2013
The Canon EF 17-40mm f/4L USM lens is an inexpensive alternative to the 16-35mm f/2.8, but its edges are muddy at its widest angle.
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