The VILTROX AF 16mm F1.8 FE is ideal for Sony Full frame E-mount cameras, boasting 15 elements across 12 groups.Excellent for indoor low light or night scape shooting.With a close focus distance of 0.27m and infinity, noiseless STM focus motor technology ensures precise movement and smooth focusing.16mm focal length,F1.8 large aperture.Optical construction of 15 elements in 12 groups,including 4 ED lenses and 3 aspheric lenses.HD Nano multilayer coating with water-resistant and antifouling coating.Electronic aperture,internal focus,constant lens length.Noiseless STM focus motor.Precision metal structure. Dust-proofCombining lightweight and high image quality, you can take photos with more impact and sense of space.SPECIFICATIONSModel:AF 16/1.8 FEMount Type:E-MountFrame:Full frameFocus Mode:AF,MFFocal Length:f=16mmMax.Aperture:F1.8Min.Aperture:F22Lens Elements:15/12Focus Range:0.27m-Aperture Blades: 9Viewing Angle : 105.6Focus Mechanism:Internal FocusFocus Motor:STM+Lead screwMagnification:0.1XFilter Size:77mmOuter Diameter Size : 85.2*103mmWeight:550gPACKAGE INCLUDES1 xViltrox AF 16mm F1.8 FE Large Aperture Ultra Wide Angle Lens for Sony E-mount Cameras1 x Front Lens Cap1 x Rear Lens Cap1 x Lens Hood1 x Carrying Pouch