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
• Maximum aperture: f/1.4
• With ring USM motor