Nikon front/rear lens cap. Optical system. Functional, It works Aperture blades properly.
Top Mint Nikon Micro Nikkor Ai-s AIS 55mm f/2.8 Macro MF Lens Japan #0427
Top Mint Nikon Micro Nikkor Ai-s AIS 55mm f/2.8 Macro MF Lens Japan #0520
Top Mint Nikon Micro Nikkor Ai-s AIS 55mm f/2.8 Macro MF Lens Japan #0524
