|Focal Length & Maximum Aperture||28mm 1:1.8|
|Lens Construction||10 elements in 9 groups|
|Diagonal Angle of View||75°|
|Focus Adjustment||Rear focusing system with USM|
|Closest Focusing Distance||0.25m / 0.8 ft.|
|Max. Diameter x Length, Weight||2.9" x 2.2", 10.9 oz. / 73.6 x 55.6mm, 310g|
With the large maximum aperture, excellent background blur is possible even with a fast shutter speed. The aspherical lens element makes the lens compact and corrects spherical aberrations. The image is sharp even at the edges. Lead-free glass is used.