CANON EF 50 F1.4 USM (CM)

– EF-Mount Lens/Full-Frame Format

– Aperture Range: f/1.4 to f/22

– One Aspherical Element

– Two High Refractive Index Elements

– Super Spectra Coating

– Micro Ultrasonic Motor AF System

– Rounded 8-Blade Diaphragm

Standard lens featuring superb quality and portability. Two high-refraction lens elements and Gaussian optics eliminate astigmatism and suppress astigmatic difference. Crisp images with little flare are obtained even at the maximum aperture.   Construction 6 groups / 7 elements Angle of view 46° F stop range 1.4-22 Closest Focusing Distance 0.45m / 1.5 ft. Maximum Magnification 1:6.66 Filter Size 58mm Dimensions (Length x Diameter) 2.9″ x 2.0″ / 73.8 x 50.5mm Weight 10.2 oz. / 290g