Thank you for viewing. This is the SHOTEN P645-FG-U mount adapter. - Almost unused, in excellent condition. - No looseness when attaching or removing the lens; no functional problems. - Allows you to use Pentax 645 mount lenses on Fujifilm GFX (G mount) cameras. stkb.jp Ideal for those who want to utilize their 645 lens assets with a Fujifilm mirrorless camera. Please refrain from purchasing if you are concerned about minor details, as this is a used item. If you have any questions, please feel free to comment.