Colour filters They are particularly recommended for black-and-white-photography. Leica E39 Filter Orange 立即探索 Leica E39 Filter Green 立即探索 Leica E39 Filter Yellow 立即探索 Leica E46 Filter Orange 立即探索 Leica E46 Filter Green 立即探索 Leica E46 Filter Yellow 立即探索 Leica E49 Filter Orange 立即探索 Leica E49 Filter Green 立即探索 Leica E49 Filter Yellow 立即探索