The LUMIX G 14mm F2.5 ASPH. lens is a compact, high-performance prime lens. There are scratches on the mount, but they do not affect the image quality. It can be used without any problems. - Brand: LUMIX - Model Name: G 14mm F2.5 ASPH. - Filter Diameter: 46mm - Minimum Focusing Distance: 0.18m The lens caps are interchangeable. I think it's a user-friendly lens, although there may be some scratches and dust. I am not an expert, so please ask if you have any detailed questions.