This is an old Fujinon 55mm F2.2 single-focal-length lens from Fujifilm. It's an M42 mount lens. 〇 Regarding the exterior: I've done some basic cleaning. There's some dirt that couldn't be removed, but personally, it wasn't bothersome. There's a crack between the aperture ring and the distance scale (see photo). While I didn't find it to be a problem during use, it might bother some people. The price is set slightly lower than the market average to reflect this. 〇 Regarding the optics: There might be some extremely faint haze, but personally, I didn't notice any major issues in actual shooting. I believe the optics are in good condition and the light transmission is good. ☆ I've confirmed all the basic functions, but this is an old lens, so it's being sold as a junk item. Please order with the understanding that you are receiving a lens-shaped object.