Canon RF 16-28mm f/2.8 IS STM: The Mid-Tier Wide That Actually Ships

Canon is quietly building a second tier of constant-aperture zooms below the L-series, and this review tells you whether the RF 16-28mm f/2.8 IS STM earns a place in your kit. If you shoot events, interiors, or real estate and can't justify the L-glass price, this is the lens that covers 16mm wide with IS and f/2.8 without the flagship tax.