This is a listing for a LEITZ WETZLAR DYGON 9mm F2+ dedicated lens hood. This is a Leica lens that originally did not have an aperture. The mount is unknown. ▫️For reference https://www.ebay.com/itm/156376301963 ☆Exterior It is clean for its age. ☆Optics There is a slight amount of dust, but it is clean. *Please skip this if you are particular about it. ☆Operation The helicoid is in good working order. ★Please be sure to check the profile★ *For convenience, it is listed as X-mount. *Due to the nature of used items, scratches, signs of use, and the appearance of the optical system may vary depending on individual perception. *This listing is for the lens + dedicated lens hood. Photography props are not included. *Defects shown in the images may not be fully described. Please judge from the images before purchasing. Not all defects can be photographed and described, so please refrain from purchasing if you do not understand the nature of used items. *No claims, no returns, please. Other features... Old lens Focal length... ~10mm Maximum aperture... 1.5-2 Leica