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SMC PENTAX-da 50mmF1.8 Medium Telephoto Lens Focal Length 76.5mm (Equivalent To 35mm Format) Bright Open F Value and Round Iris Diaphragm Beautifl Bokeh suitable for Portraits, Snapshots Lightweight: Amazon.co.uk: Electronics & Photo
Used Pentax SMC Takumar 50mm f1.4 M42 screw mount lens | £149 - Castle Cameras
Pentax SMC Pentax DA 50-200mm f/4-5.6 ED WR Zoom Lens - SlrHut.co.uk
Pentax SMC FA 50mm f1.4 Classic Lens | Clifton Cameras