model Nikon Z mount Focal Distance 50mm Maximum caliber ratio 1 to 2.8 lens configuration 10 groups (1 ED lens, 1 aspheric lens, fluorine coat on the front lens surface) angle of view 47 ° (imaging range FX) 31 ° 30 '(imaging range DX) Focus Previous group -out method The shortest shooting distance 0.16m from the imaging surface Maximum shooting magnification 1x Number of squeezed feathers 9 pieces (circular aperture) Aperture method Automatic aperture by electromagnetic aperture Maximum aperture f/2.8 f/5.6 minimum aperture f/22 f/32 Focus restriction switching switch FULL (∞ ~ 0.16m) and 0.3m-0.16m two-stage switching Attachment size (filter size) 46mm (P = 0.75mm) Dimensions 74.5mm (maximum diameter) x 66mm (from lens mount reference surface to lens tip) Mass about 260g Accessories Lens cap 46mm LC-46B (Spring type) back tattle LF-N1 HN-41 Lens case CL-C1