Overview

The Sigma 105mm F1.4 DG HSM Art is a massive, heavy lens (3.6 lbs) with excellent build quality, including weather sealing and an Arca-Swiss tripod collar. Optically, it delivers superb sharpness wide open, nearly flawless coma and astigmatism control, and no chromatic aberration, making it ideal for astrophotography. Its bokeh is praised as gorgeous, earning the nickname 'bokeh master'. However, its size and weight may be a drawback for some. It suits portrait, wedding, and astrophotography enthusiasts who prioritize optical performance over portability.