Sigma - 12-24mm f/4.5-5.6 DG HSM II Ultra-Wide Zoom Lens for Select Sony APS-C/Full-Frame DSLR Cameras - Black Model:204205
Compatible with select Sony DSLR cameras
Including full-frame and APS-C models for use with your existing camera.
Special Low Dispersion (SLD) glass element
Along with 4 FLD glass elements help correct color aberration for great pictures.
Super multilayer coating
Reduces flare and ghosting for clear, detailed images.
Hyper Sonic Motor (HSM)
Helps ensure fast and quiet autofocus while enabling full-time manual focus override.
122-84.1° angle of view
Lets you capture a wide area for greater detail.
Ideal for versatile shooting, from snapshots to landscapes.
f/22 minimum and f/4.5-5.6 maximum aperture
For optimal light gathering.
17 elements in 13 groups with 6 diaphragm blades
For sharp shots. Three glass mold elements and 1 hybrid aspherical lens offer enhanced performance.