M42 MOUNT SPIRAL: VEB Pentacon AV (Meyer Optik Diaplan) 80mm F2.8 (Projector Lens),M42 MOUNT SPIRAL: VEB Pentacon AV(Meyer-Optik Diaplan) 100mm F2.8 and 140mm F3.5,M42 MOUNT SPIRAL: VEB Pentacon (Meyer-Optik Diaplan) 150mm F2.8 (Projector lens),M42 MOUNT SPIRAL: VEB Pentacon AV (Meyer Optik Diaplan) 80mm F2.8 (Projector Lens),M42 MOUNT SPIRAL: VEB Pentacon AV(Meyer-Optik Diaplan) 100mm F2.8 and 140mm F3.5,