Main: Lens MC Pentacon Auto 2.8/29mm. Serial number 6040799. M42 screw mount. You buy what you see in the pictures. Condition:  Please, check all pictures as they are part of the description! Used. Good working condition. Glass without scratches, fungus or haze. Maybe few tiny cleaning marks on the lens coating - it has no visible effect on the image.  Minor micro particles of dust inside inside, which is common for vintage optic. Focusing action ring is smooth.  Aperture blades work correct in both "M" and "A" modes. Aperture blades are oil free. Tested with digital camera Sony A7 - all work properly, image is nice. Parcel includes: Lens, front and rear caps. You buy what you see in the pictures Delivery: International shipping via Air Mail with tracking number. Shipping within 24 hours (except Sunday) after Payment Confirmation Receipt. *Dear buyers. I am a seller from Ukraine. In spite of a Russia invasion in Ukraine, in my region situation is stable.  Ukrainian mail work and accept international shipping.