Experts an overwhelming high resolution performance from the open F value of 1.2 despite the small and lightweight design.Rich blur expression by open F value 1.2.Open F value 1.2 A large -diameter single focus lens, but high -speed, high accuracy, high -accuracy and quiet AF.Operability and reliability in response to professional requests- The shortest shooting distance 0.4m mount Sony E Focal length (single focus) 50mm Open F -number 1.2F value Filter diameter 72mm Weight 778g Response imaging screen size 35mm full size Focal Distance 50mm Focal Long Image 75mm (35mm format replacement value when installing an APS-C-size lens replacement digital camera with APS-C size) lens configuration 14 groups Appearance angle (APS-C) 32 ° (35mm format replacement values when installing a lens-type digital camera with APS-C size APS-C size) angle of view (35mm size) 47 ° Open aperture (F value) F1.2 minimum aperture (F value) F16 Aperture feathers 11 sheets circular squeezing ○ Maximum shooting magnification 0.17 times Vegetable Correction -(body side support) teleconverter (1.4X) non -support teleconverter (2.0X) non -support Food type round bayonet type External dimensions Maximum diameter φ87 x length 108mm Accessories ・ Food (type name) ALC-SH163 ・ Lens Front Cap ALC-F72S ・ Lens rear cap ALC-R1em ・ Case soft case