This is a "single focus module" designed to eliminate the "double focus" issue when shooting with an anamorphic adapter. It simplifies and smooths out the complex focusing process, making it a powerful support item for anamorphic shooting. I purchased it by mistake and have never used it, so it's like new. It comes with the original box and is currently stored carefully in a dehumidified storage unit. ⚠️ I will only sell this to those who understand how to use it. Please check the photos for the lens condition. If you have any concerns or would like to see additional photos, please feel free to ask. ※ Please confirm compatibility with your intended anamorphic adapter and lens beforehand. Shipping: Due to frequent business trips, it may take up to 5 days to ship, but I will generally ship within 2 days. If you are in a hurry, please contact me in advance, and I will let you know the estimated shipping date. Please consider this opportunity.