What would you choose if you had Sigma 30mm 1.4 (Non Art) / Sigma 30mm 1.4 (Art) / Canon 35mm f2 IS? The price for the 2 lens is around the same except the Sigma 30mm 1.4 (Non Art) which can be bought around $300 (Used)? If Performance is the priority which would be better to go for (Crop Sensor )




