Sony SEL35F14Z Distagon T FE 35mm f/1.4 ZA Standard-Prime Lens for Mirrorless Cameras A perfect match for 7 series, 35mm full-frame E-mount cameras, Outstanding optical performance in a versatile 35mm focal length, ZEISS quality delivers superior contrast and resolution throughout the image Filter diameter (mm): 72 mm.Minimum Focus Distance : 098 ft (03 m), Maximum Magnification ratio : 018x, Focal-Length : 138 in Bright F14 maximum aperture, Aperture ring designed for still or movie shooting, Corner to corner sharpness w/Advanced Spherical elements;High reliability in harsh conditions Dust and moisture resistant design, 9-blade circular aperture contributes to gorgeous bokeh, Direct Drive SSM (DDSSM) for quiet, precise focusing