50 mm Camera Lens

Pentax SMCP-FA 50mm f/1.4 Lens

PENTAX DA 50-200mm f/4-5.6 ED Weather Resistant Lens for Pentax Digital SLR Cameras

Pentax SMC DA* Series 50-135mm f/2.8 ED IF SDM Telephoto Zoom Lens for Pentax and Digital SLR Cameras

Pentax SMC DA* Series 16-50mm f/2.8 ED AL IF SDM Wide Angle Zoom Lens for Pentax Digital SLR Cameras