50mm Focal Length In 35mm Format/ 12 Elements In 8 Groups Construction/ 4 Aspherical Surfaces/ f/1.4 Maximum Aperture/ Internal Thread For E60 Filters/ Black Anodized Finish
50mm Focal Length In 35mm Format/ 12 Elements In 8 Groups Construction/ 4 Aspherical Surfaces/ f/1.4 Maximum Aperture/ Internal Thread For E60 Filters/ Black Anodized Finish