With the Canon EF 11-24mm f/4L USM Lens, there are no limitations to capturing what you desire. The ultra wide angle zoom lens allows you to capture dramatic landscapes in a single shot, with a high quality, bright and fast f/4L zoom lens.
- Durable and tough
- Circular aperture diaphragm
- Focal length of 11mm
- Silent AF USM
- ASC Coating
- Aspherical and UD lens
Durable and Tough
The mechanical structure of the Canon EF 11-24mm f/4L USM lens makes it move more smoothly, higher precision and a highly durable construction. Additionally, the zoom durability and resistance to vibration and shock of the lens barrel is exceptional. This lens achieves high durability and toughness in order to withstand harsh environmental conditions and rough handling. Dust-proof and drip-proof structure is applied to the mount, the switch panel, zoom ring, and focusing ring.
Circular Aperture Diaphragm
The Canon EF 11-24mm f/4L USM lens is equipped with an electromagnetic diaphragm (EMD) that uses a 9-blade circular aperture diaphragm, transforming point light sources in the background into more circular and beautiful background blurred shapes.
Focal Length of 11mm
Canon’s EF 11-24mm f/4L USM is an ultra wide-angle zoom lens that surpasses all competition by starting at 11 mm, the widest angle in the world. This lens has achieved a minimum focusing distance of 0.28 m (maximum magnification of 0.16x). This enables the user to shoot the subject from up close whilst still capturing the surroundings. Explore other photographic possibilities such as capturing wider range in one shot (horizontal angle of view of 117 degrees and diagonal angle of view of 26 degrees), large subjects from cramped positions or even surreal images through use of extreme perspectives.
Silent AF USM
This Canon EF 11-24mm f/4L USM lens utilises rear focus and ring Ultra Sonic Motor as well as offers silent Auto Focus. The use of a high-speed CPU and an optimised Auto Focus algorithm has brought about higher precision and speed.
ASC is a technology that forms a film that includes air spheres over the vapour-deposition coatings. By regularly lining the inside of the coating with low refractive index air, this forms an ultra-low refractive index layer. ASC has excellent anti-reflective effects, particularly with respect to incident light that enters almost vertically. The air spheres cover a flat interface, so being a strong coating is also a feature.
Aspherical and UD Lens
An aspherical lens is used that has largest diameter in the world for an SLR interchangeable lens. The following was achieved with four aspherical lenses: Widest angle 11mm in the world, high image quality around the peripheral areas, and very low distortion at wide angle (between the EF16-35mm F4L IS USM and TS lenses).
|Angle of view (horzntl, vertl, diagnl)||117º 10'- 74º,95º 10' - 53º,126º 05' - 84º|
|Lens construction||16 elements in 11 groups|
|No. of diaphragm blades||9|
|Closest focusing distance||0.28m|
|AF actuator||Ring USM|
|Max. diameter x length||108 x 132mm|
- Canon EF 11-24mm f/4L USM Lens
- Lens Cap
- Lens Pouch
- Lens Dust Cap E