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EF-Mount Lens/Full-Frame FormatAperture Range: f/1.4 to f/22Two Aspherical and Two UD ElementsSub Wavelength CoatingRing-Type Ultrasonic Motor AF SystemFloating Internal Focusing MechanismWeather-Seal..

EF-Mount Lens/Full-Frame FormatAperture Range: f/1.4 to f/22Blue Spectrum Refractive Optics ElementTwo Aspherical Elements, One UD ElementSubwavelength CoatingRing-Type Ultrasonic Motor AF SystemFull-..

EF-Mount Lens/Full-Frame FormatAperture Range: f/1.4 to f/22Two High Refractive Index ElementsSuper Spectra CoatingMicro Ultrasonic Motor AF SystemRounded 8-Blade DiaphragmIn the BoxCanon EF 50mm f/1...

EF-Mount Lens/Full-Frame FormatAperture Range: f/1.4 to f/22One Aspherical ElementAir Sphere CoatingRing-Type Ultrasonic Motor AF SystemOptical Image StabilizationWeather-Sealed Design, Fluorine Coati..

EF Mount Teleconverter1.4x Magnification FactorMicrocomputer ControlledCommunication Between Lens & CameraSpectra Coating Reduces Ghosting/ FlareProtective Fluorine CoatingDust and Water Resistant..

EF Mount Lens/Full-Frame FormatAperture Range: f/1.4 to f/16Two FLD Elements and Five SLD ElementsTwo Aspherical ElementsSuper Multi-Layer CoatingHyper Sonic AF Motor, Manual OverrideRounded 9-Blade D..

E-Mount Lens/Full-Frame FormatAperture Range: f/1.4 to f/16Two XA Elements, Three ED ElementsNano AR and Fluorine CoatingsDirect Drive Super Sonic Wave AF MotorAF/MF Switch, Internal FocusFocus Hold B..