Samyang mf 14mm f2 8 canon rf July 8, 2019 16 32 64 128 Samyang mf 14mm f2 8 rf canon eos r Samyang mf 14mm f2 8 lens for canon rf Samyang mf 14mm f2 8 canon rf test Samyang mf 14mm f2 8 rf canon eos