AI Auto Extension Ring PK-11A Old Model AI type extension ring for Nikkor lenses ● AI type = extension ring for Nikkor lenses with automatic aperture correction. ● By using a single ring or a combination of rings, you can achieve 7 different extension lengths. ● Automatic aperture and exposure meter linkage of the lens are also possible. ※ If attached to a camera body without an exposure meter linkage lever, the exposure meter cannot be used. ※ Cannot be used with AF-S lenses. Please judge from the images. What will be provided is everything in the photos. Please purchase only if you understand that it is used. Please check other cameras on each listing screen. #Pasamai Although we carefully select only good products, due to the nature of USED items, there may be some stains, damage, or odors, which may vary from person to person. Delicate individuals should refrain from bidding as it may cause trouble. Also, due to the nature of the product, returns are not accepted, so please bid only if you are accustomed to USED items. ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ ☆ #FilmCamera #Serviced #OperationConfirmed #FreeShipping #OldLens #Nikon #Canon #Pentax #Minolta #Konica #Olympus #Leica #Contax #Rollei #FujiFilm #Kodak #Pen #F #EOS #NIKON #Canon #PENTAX #MINOLTA #Konica #leica #CONTAX