Fotodiox Designer Rear Cap for Nikon F (Yellow) Rear Lens Cap for All Nikon, Nikkor lenses, (F, non-AI, AI, AIS, AF, AFD, AFS, G, DX, FX Lenses), Fully compatible with LF-1 Cap Premium grade, high impact plastic Third-party lens cap, tight fit as original Low-cost, stylish, designer replacement 24 month manufacture warranty