Incredibly bright, large-diameter f/1.4 high performance
wide angle L lens.
UD glass and high precision GMo aspheric lenses correct
chromatic aberration and minimise flare and ghosting.
Fast, quiet AF via high-speed CPU, optimised AF algorithm, rear
internal focusing and ring USM drive.
Circular aperture diaphragm delivers attractive blur. Manual
focus even during AF mode.
Dust and moisture resistant.
Environmentally friendly lead-free glass lens.