★ This is a screw-in, metal lens cap from Cosina, Voigtlander. ★ It was stored inside the empty box of a Voigtlander COLOR-HELIAR 75mm F2.5 SL. The original receipt was also stored with it, and the receipt says "52S Cap," so I believe it's 52mm in diameter, but please confirm the size with the photos. ★ It has been carefully stored and is in very good condition, but please understand that it is a used item that has been stored at home. Please check the condition of the item in the photos. No claims or returns are accepted. ★ It will be wrapped in cushioning material and sent via Yu-Packet Post Mini.