The EF 11–24 mm f/4L USM lens is a professional wide-angle lens made by Canon Inc. It was announced on February 5, 2015, and at that time was the widest rectilinear lens ever made for the 35 mm format in either its film or digital versions.
The lens has an EF mount to work with the EOS line of cameras. Other than the front element, it is sealed against dust and water, and features a diaphragm which remains nearly circular. It produces minimally distorted images.
|Construction||11 groups / 16 elements|
|# of diaphragm blades||9|
|Closest focusing distance||0.28 m / 11" (at 24 mm)|
|Max. magnification||0.16× (at 24 mm)|
|Horizontal viewing angle||117° 10′–74°|
|Vertical viewing angle||95° 10′–53°|
|Diagonal viewing angle||126° 05′–84° 00′|
|Weight||1180 g / 41.6 oz|
|Maximum diameter||108 mm / 4.3"|
|Length||243 mm / 5.2"|
|Release date||February 2015|
|Currently in production?||Yes|
Canon EF 11-24mm F4L USM on a body EOS 5D Mark IV
- Nikon AF-S 14–24 mm f/2.8G IF-ED Lens. The Canon 11–24 mm has a wider field of view than the Nikon 14–24 mm, however, they are similar in size, weight, and intended usage.
- Sigma 12–24 mm f/4 DG HSM ART
- "Canon U.S.A. Announces New EF 11-24mm f/4L USM Ultra Wide-Angle Zoom Lens" (Press release). Canon U.S.A., Inc. February 5, 2015. Retrieved February 6, 2015.
- Rockwell, Ken (February 5, 2015). "Canon 11-24mm f/4 L". KenRockwell.com. Retrieved March 11, 2015.
- "Canon EF 11-24mm F/4 vs. Nikon 14-24mm F/2.8". lens rentals. 27 May 2015. Retrieved 10 March 2015.