Объектив canon rf 50mm f 1.8 stm отзывы July 8, 2019 16 32 64 128 Canon rf 50mm vs ef 50mm Canon ef 50mm 1.4 vs rf 50mm 1.8 Canon rf 50mm f/1.8 stm unboxing Canon rf 50mm f/2.8 Canon rf 50mm 1.4