Vivitar SC-55 55mm Snap-On Lens Cap Fine quality plastic snap-on lens cap Quick installation and removal - simply squeeze sides and place on lens Features an extra strong design with double action springs Compatible with Sony DSLRA-230, DSLRA-290, DSLRA-390, DSLRA-560, DSLRA-580, DSLRA-900, SLTA33, SLTA55