Thank you for looking. I am reluctantly selling this item because my collection has grown too large (; ; ) This is a precious lens, but I would like to pass it on to someone who will cherish it (; ; ) This is a listing for the MAMIYA SEKOR C 250mm F4.5 medium telephoto lens, which can be used with the Mamiya 645 series. This lens is suitable for portraits, as well as landscapes and shooting that utilizes the compression effect. ■ Exterior ・Scuffs and minor scratches due to use ・Minimal fading of lettering, in good condition ・No major dents *Please check the photos for condition. ■ Optics ・No mold ・No fogging ・Balsam separation present → edge of front element (please check photos) ・Dust: Slight (no impact on shooting) ・Good coating for clear optics. ■ Operation ・Focus ring: Smooth ・Aperture blades: No oil / good operation ・Helicoid also has a comfortable, moderate torque. ■ Accessories ・Lens caps (front and rear) ・Filter ・Everything shown in the photos is included. ■ Shipping I will pack it carefully and ship it via secure anonymous delivery. Please only purchase if you understand that this is a used item. The MAMIYA SEKOR C 250mm f/4 lens offers excellent optical performance and is ideal for professional photography. - Brand: MAMIYA - Model: SEKOR C 52mm - Aperture value: f/1.4 - Focal length: 52mm - Serial number: N. 640617 Thank you for looking. Focal length...201-500mm Maximum aperture...4.1-5.6