EF24mm f/1.4L II USM
A large-diameter lens with a brightness of f/1.4. Making full use of advanced optical technology, this lens surpasses conventional models in high image quality with high resolution and high contrast over its entire area, including the periphery. The EF24mm f/1.4L II USM uses two molded glass aspheric lenses to correct various aberrations such as field curvature and distortion, as well as two UD lenses that effectively control lateral chromatic aberration, which easily occurs in wide-angle lenses. In addition, this lens is the first in the world*1 to make practical use of SWC (Subwavelength Structure Coating), an anti-reflective coating based on a microscopic structure even smaller than optical wavelengths. The EF24mm f/1.4L II USM also controls occurrence of flare and ghost images caused by a particularly large angle of incidence of light. Supporting the demanding requirements of professionals and advanced amateur photographers, the lens provides high-performance specifications, such as high-speed AF, a full-time manual focus mechanism, high dust- and drip-proof*2 performance, etc.
*1 Among photographic lenses
*2 Camera models that support dust- and drip-proof performance: EOS 1Ds Mark III, EOS 1Ds Mark II, EOS 1D Mark III, EOS 1D Mark II N, EOS 1D Mark II, EOS 1D, EOS 1V/HS
- Filter size: 77mm
- Max aperture: f/1.4
- With ring USM motor
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