Additional features
Lens construction: 15 elements in 11 groups, with 5 SLDs and 1 aspherical lens
Compatible with high-speed autofocus
Compatible with lens-based optical correction *Only on camera models that support this functionality. Scope of correction varies depending on
Iris ring with Iris ring click switch and Iris ring lock switch
*When turned ON at the position A, the iris ring is locked at A. When turned ON at a position other than A, it is locked within the range between the maximum to minimum apertures and will not engage at the position A.
AFL button
Focus Mode Switch
Dust-and splash-proof
Hood with lock
Compatible with SIGMA USB DOCK UD-11 (sold separately / for L-Mount only)
Designed to minimize flare and ghosting
Every single lens undergoes SIGMA's proprietary MTF measuring system "A1"
11-blade rounded diaphragm
High-precision, durable brass bayonet mount
"Made in Japan" craftsmanship
Technical Specifications:
Corresponding Mount Sony E-Mount
Lens Construction 15 Elements in 11 Groups
Angle of View 28.6º
Number of Diaphragm Blades 11 (Rounded diaphragm)
Minimum Aperture F16
Minimum Focusing Distance 85 cm / 33.5 in
Filter Size (mm) 77mm
Maximum Magnifications 1:8.4
Dimensions
(Diameter x Length) 82.8mm×94.1mm / 3.3×3.7in.
Weight 630g / 22.2oz.