Sigma 20mm T1.5 FF High Speed Prime - Imperial, EF Mount
Sigma Cine Primes and Zooms - all you need to know
An Examination of: Sigma Cine Prime Lenses.
Sigma FF High Speed Primes Test
Sigma FF High Speed Cine Prime pricing announced - NAB 2017
Sigma fp with Sigma Cine 20mm T1.5 [12bit raw]
20mm T1.5 SIGMA Corporation of America
Sigma Cine FF High-Speed Art Prime Set PL - CINNE SHOP
Sigma's FF High-Speed Prime Lenses combine the same high-quality optics and mechanics of their Global Vision still line in a cine-oriented design.
Sigma 20mm T1.5 FF High-Speed Prime (Canon EF, Feet)