This is a lens barrel for the Pentacon PENTACON AV 80mm F2.8. It can be used as a focus ring for projector lenses. The mount is the versatile M42. Thank you for viewing. If the image and the description do not match, please refer to the image. [Included Items] (All items are shown in the images) [Condition] 60 size, as-is, operation not confirmed This item is being sold without detailed inspection, so please refer to the photos and bid accordingly. *There may be damage not shown in the images. Please consider this item assuming it will need maintenance. I am not an expert, so please refrain from asking technical questions. Due to amateur inspection, there may be damage that I have not noticed. Also, there may be errors in the category or title. I apologize for any inconvenience. ○ Regarding color, the photos were taken by an amateur, so the actual colors may not be accurately represented. Also, the color may appear different depending on the device you are using, so please understand. ◯ Due to the nature of used items and long-term storage, there may be odors specific to used items or musty smells. Please refrain from bidding if you are seeking perfection or are overly sensitive.