Thank you for viewing. This is a Canon Lens FL 50mm 1:1.4 II (standard prime lens / FL mount). The serial number is as shown in the photo. *This item is listed as-is, with the operation unconfirmed, as there is no specialized equipment to test it. [Appearance] There are minor scratches and scuffs commensurate with age. There are no major dents (please check the photos). [Optics] When viewed in strong light, there is some minor dust. The presence of mold, fogging, balsam separation, etc. has not been confirmed. The impact on shooting is unknown. [Operation] Detailed checks of the focus/aperture mechanism and actual shooting tests have not been performed. Please understand that this is a junk item and is sold as-is. [Included Items] Everything in the photos (body only / caps are not included if not shown). [Compatibility/Notes] This is an FL mount old lens. An appropriate mount adapter may be required for use with your camera body. Please research compatibility yourself. Please purchase with the understanding that this is a used item and there may be oversights not mentioned in the description. There is no warranty, including initial defects, but transactions will be handled in accordance with Mercari's terms of service. Immediate purchase is OK. #Canon #FL #50mm #F1_4 #OldLens #PrimeLens #AsIs #OperationUnconfirmed