Sigma 50mm ART FE
Apparso su eBay, forse merita un poco di attenzione:
https://www.ebay.it/itm/Sigma-50mm-f1-4-DG-HSM-Art-for-Sony-E-FE-boxed-case-hood-mint-superb/333396572117?hash=item4d9ffbf7d5:g:4s4AAOSwR91dj3LG
https://www.ebay.it/itm/Sigma-50mm-f1-4-DG-HSM-Art-for-Sony-E-FE-boxed-case-hood-mint-superb/333396572117?hash=item4d9ffbf7d5:g:4s4AAOSwR91dj3LG