21mm F1.4 Compact High Speed Wide Angle Mount:Canon M (Black) Two Extra-low Dispersion glass elements

Two Extra-low Dispersion glass elements work to reduce chromatic aberrations

0 maximum aperture benefits working in low-light conditions

It's compact

It employs the world’s first dual-type LSM Motor

smooth and precise autofocusing to 9

21mm F1.4 Compact High Speed Wide Angle Mount:Canon M (Black) Two Extra-low Dispersion glass elementsCombining a wide angle perspective with a fast maximum aperture, the Rokinon Compact 21mm f 1. 4 Lens designed for Canon M series cameras provides a full frame equivalent focal length of 33. 6mm. One Extra Low Dispersion combine with three Aspherical and elements to control chromatic and comatic aberrations, as well as reduce color fringing, for sharper, clearer imagery. The fast and bright f 1. 4 maximum aperture provides easy shooting in difficult