Este brexit párrafo que no precisa asistencia Google os dará buena cuenta de todo:
Sigma has announced the prices for three of the lenses it announced at the Photokina trade show in September. The 40mm F1.4 DG Art lens for full frame cameras will cost $1400 while the 56mm F1.4 DC DN for crop-sensor mirrorless cameras will cost $479. The Sony E-mount version of its 105mm F1.4 Art will sell for around $1600. All three will be available this month.