Alex Armani

Sigma 14 1.8 canon mount is $1599, but cinema version with metal housing $5000, 1 pound aluminum cost $3500 ?, The Lens is OVERPRICED!

Sigma Art 135 is $1399, Same optics but for cinematography diffident housing, All metal parts never cost over $500, but don;t be surprised if price will jump to $4000.
Personally I dint like to be...

Front Element has revers adapter, Back looks like  converted to Video B4 nount

I could be happy if camera manufactures can make large format 4x5 or 6x12 instead. I have cano 5Dsr  and few medium formats Arca Swiss and Phase one IQ180, and Leaf Aptus. Image quality much much ...