This lens is a Nikon F-mount, but it is actually an M42 mount. ■ Appearance We have cleaned it as much as possible, but there is a noticeable scratch around the outer circumference of the filter ring, and other scratches. The A/M switch lever is about half broken, but it functions without issue. Please check the photos for details. ■ Optics When illuminated by fluorescent light, there is only a small amount of dust. However, under LED light, the rear element appears to have a slight haze overall. This is based on a subjective assessment, so please refrain from purchasing if you are concerned. ■ Operation There is no oil on the aperture blades. Both the aperture ring and the focusing helicoid move smoothly. ■ Accessories Aftermarket front and rear caps. ※ This is a used item and is an old lens from about 50 years ago. Please refrain from purchasing if you do not understand the characteristics of old lenses or if you are overly concerned about minor imperfections, as this may lead to problems.