SMC Pentax-M 1:2 50mm Camera Lens Asahi Japan, Black, Tested & Works

Add classic Pentax glass to your kit with this SMC Pentax-M 50mm f/2 lens, made in Japan by Asahi Optical Co. Compact and lightweight, this manual-focus prime delivers solid sharpness, pleasing bokeh, and reliable performance for film or digital K-mount bodies. Key Features: • Focal Length: 50mm • Maximum Aperture: f/2 • Mount: Pentax K (manual focus) • Optical Design: 5 elements in 5 groups • Diaphragm: 6-blade automatic • Minimum Focus Distance: 0.45m • Filter Thread: 49mm • Coating: Super Multi-Coated (SMC) for improved contrast and flare resistance • Dimensions: Approx. 63 × 31 mm • Weight: ~160g (metal barrel version) • Made in Japan by Asahi Optical Co. Collector Appeal: Produced between 1979 and 1985, this lens is often underrated as a “kit prime,” but remains a capable and affordable entry into vintage Pentax optics. Ideal for film shooters, mirrorless adapters, or restoration projects. Early versions feature a full metal barrel; later ones used lighter plastic components Condition: Tested and working. Focus ring smooth, aperture blades clean and snappy. Glass shows minimal dust, no fungus or haze. Exterior may show light wear consistent with age. See photos for details. 40