Photographic and optical apparatus and instruments in the nature of photographic objectives and their parts, namely, protective lens covers [, adapter rings for attaching objectives to cameras, ] and lens hoods; photographic lenses and their parts, namely, lens hoods, lens caps and plastic rings with numbering to indicate aperture, focus and f-stop; [ photographic accessories, namely, camera side grips and photographic exposure meters; ] lenses for cameras [ ; optical lenses and their parts, ...