Home Slickdeals Sigma: MC-11 Converter $127, 30mm f/1.4 $246, 16mm f/1.4 $339, 56mm f/1.4... Slickdeals Sigma: MC-11 Converter $127, 30mm f/1.4 $246, 16mm f/1.4 $339, 56mm f/1.4 $369 + free s/h By ARCOM - 8 May 2019 159 0 SHARE Facebook Twitter Go to the deal page: Sigma: MC-11 Converter $127, 30mm f/1.4 $246, 16mm f/1.4 $339, 56mm f/1.4 $369 + free s/h