Eta lente com nome grande
Fast lens having a maximum opened aperture at f/2.8.
Minimized optical distortion and lateral chromatic abberations which are a common problem with wide-angle lenses. These issues are reduced by the use of an XGM (expanded glass molded aspherical) lens element, as well as multiple LD (low dispersion) lens elements.
Sharper and cleaner images with almost eliminated ghosting and flare using a newly developed anti-reflection coating.
Improved autofocus and image stabilization (up to 4.5 stops) with the help of a built-in MPU (micro-processing unit).
Moisture-resistant and more durable construction using a newly developed Fluorine coating.
Rear-filter holder (Canon mount only) allowing to use filters which are usually hard to fit in front of a wide-angle lens.
Compatibility with the Tamron TAP-in Console allowing you easy firmware updates, fine-tuning of the autofocus, and more.
https://fstoppers.com/gear/tamron-announces-new-15-30mm-f28-ultra-wide-angle-zoom-lens-282353
