The F1.4 series represents the Sigma Art line, which pursues the highest optical performance and rich expression. This set contains Sigma 20mm F1.4 Art Dg Dn Lens for Sony E Mount, Case, Petal-type lens hood with lock (LH878-04), Front Cap (Lcf-82 Iii), Rear Cap (Lcr Ii), and Guide Plate (Gp-21).