Amazon.com : Meike 50mm T2.1 S35 Manual Focus Wide Angle Prime Cinema Lens for Canon EF Mount and Cine Camcorder EOS C100 Mark II, EOS C200, EOS 300 Mark II, EOS C300
Amazon.com : Sigma 50mm T1.5 FF Fully Luminous High-Speed Prime Cine Lens for Canon EF, Feet : Electronics