This is a rather unique lens called a fisheye zoom. It comes with the original cover, case, box, etc., but it is a used item, so please consider this if you understand. There is some mold on the lens surface, but it does not affect the images. The following is quoted from the sales site: The wide 180-degree angle of view and the unique curved depiction are attractive. This is a fisheye zoom that shines with personality. Fisheye zoom with a 180° to 100° angle of view High-performance optical system using ED glass and inner focus DA lens exclusively for the *ist D series Seamless AF/MF switching operation Newly adopted SP (Super Protect) coating to protect the lens surface ● Angle of view [degrees] 180-100 ● Number of elements [groups*elements] 8・10 ● Minimum aperture [F] 22-32 ● Minimum focusing distance [m] 0.14 ● Filter diameter [mm] - ● Maximum diameter x length [mm] 68 x 71.5 ● Weight [g] 320 Focal length (wide side)...~10mm Focal length (telephoto side)...~18mm Open F value...2.9-4 Other features...Front lens cap included, rear lens cap included