50mm focal length. 49mm filter thread. Includes 49mm Skylight (1A) filter.
Auto Chinon 50mm f1.9 manual Prime lens - Pentax PK mount
Auto Chinon 50mm F/1.9 Lens Pentax K Mount 49mm Japan Manual Focus Black
Chinon 50mm F1.9 Auto Prime Lens Manual Focus
Vintage Auto Chinon 1:1.9 50mm Lens Pentax PK
Chinon 50mm F1.9 Auto Prime Lens Pantax PK Mount
Auto Chinon Zoom MC 28-50mm f/3.5-4.5 Multi-Coated Vintage SLR Lens (607051)
