With its wide angle of view & extended depth of field, the EF 20mm f/2.8 is a great choice for photographers shooting landscapes, architecture or reportage. A lens that can be used almost anywhere. Features Ultra-wide-angle lens with angle of view of 94 USM focus motor with full-time manual focus override 25cm closest focusing distance Super Spectra coatings Dynamic wide angle design By offering a field of view of 94, the EF 20mm f/2.8 USM is able to take in the complete field of human vision, & much more. A great lens for the landscape or documentary photographer. Distortion is highly corrected, for a natural perspective when shooting architecture & interiors. Fast maximum aperture A maximum aperture of f/2.8 allows flash-free, h&-held shooting in low-light conditions when using a tripod is impractical. Aspherical & UD elements For optimum visual performance, the lens incorporates aspherical elements, to correct spherical aberrations, & Super UD (ultra-low dispersion) elements to eliminate chromatic aberrations. The result is crisp, high-contrast undistorted image quality all the way across the frame. Ultrasonic focusing A ring-type ultrasonic motor drives autofocus extremely quickly, & in near silence. Excellent holding torque ensures the point of focus is reached accurately, without overshooting. Furthermore, full-time manual override is available, making it possible to adjust focus without leaving AF mode. Super Spectra coating Super Spectra coatings help ensure accurate colour balance & high contrast. They also suppress flare & ghosting by absorbing light that would otherwise be reflected off internal lens elements & the cameras digital sensor. Specifications Angle of view (horzntl, vertl, diagnl): 84, 62, 94 Lens construction (elements/groups): 11/9 No. of diaphragm blades: 5 Minimum aperture: 22 Closest focusing distance (m): 0.25 Maximum magnification (x): 0.14 AF actuator: USM* * Mechanical full-time manual focusing built-in. Filter diameter (mm): 72 Max. diameter x length (mm): 77.5
- 70.6 Weight (g): 405