Overview
Lens styleZoom lens  
Max Format Size APS-C / DX  
Lens focal length8 16mm - (24-48mm equivalent on Nikon 1 CX)  
Stabilization type No  
Camera mount Canon EF, Pentax KAF3, Sony Alpha, Sigma SA, Nikon F (DX)  
Angle of view (APS-C crop) 114.5-75.7  
Aperture (lens diaphragm)
Largest aperture opening F4.5 - F5.6  
Smallest aperture opening F22.0  
Includes aperture ring No  
Total diaphragm blades 7  
Optical
Total Elements 15  
Number of Groups 11  
Coatings / special elements Four FLD glass elements 1 SLD glass element 2 glass mold aspherical elements 1 hybrid aspherical element  
Focusing
Minimum focus distance 0.24 m (9.45")  
Maximum magnification ratio 0.13 x  
Autofocus type Yes  
Lens motor Ring-type ultrasonic  
Full time manual focus Yes  
Focusing method Internal  
Lens distance scale Yes  
Depth of field scale No  
Physical features
Overall weight555 g (1.22 lb)  
Lens diameter 75 mm (2.95")  
Overall length 106 mm (4.16")  
Sealing No  
Zooming method Rotary (internal)  
Power zoom No  
Filter annotations Filters cannot be attached to this lens  
Lens hood included Yes  
Lens hood code Built-in Petal-type  
Tripod collar included No  
Notes For Pentax mount, AF will not function with DSLR cameras that do not support HSM.