{Description}
Great for video production. See below for a video made with the 18-35mm!
Unique. fast constant aperture zoom lens
World’s first* lens offering F1.8 throughout the zoom range.
Advanced flexibility and convenience expand photographic freedom
Superior functionality across the lineup,new A1 MTF measuring system.


{Specification}
Lens Construction 13 Elements in 11 Groups
Angle of View 63.4º
Number of Diaphragm Blades 9
Mininum Aperture f16
Minimum Focusing Distance 30 cm / 11.8 in
Filter Size (mm) 67mm
Maximum Magnifications 1:5.2
Dimensions
(Diameter x Length) 77mm x 94mm /3in x 3.7in
Weight 665g / 23.5oz.
Corresponding Mounts
Sigma HSM
DG
Nikon HSM
DG
Canon HSM
DG
Sony/Minolta HSM
DG
Pentax HSM
DG


HSM - Hyper-Sonic Motor
DG - DG for Digital