Polaroid Rear Lens Cap For The Sony Alpha DSLR SLT-A33, A35, A37, A55, A57, A65, A77, A99, A100, A200, A230, A290, A300, A330, A350, A380, A390, A450, A500, A560, A550, A700, A850, A900 & Minolta Maxxum Digital Lenses Designed to Fit Sony and Minolta Lenses Rear Lens Caps Are for Protecting the Rear Mount of Your Lenses from Accidental Scratches or Impact When Not Attached to the Camera. Made of High Impact Plastic For Extra Durability.