Sigma 70 300mm f 4 5.6 apo dg canon July 8, 2019 16 32 64 128 Sigma 70 300mm f4 5.6 apo dg macro canon Sigma 70 300mm f4 5.6 apo m dg macro canon Canon sigma dg 70-300mm Sigma 70-200mm f2.8 art canon