Canon’s RF 16-28mm f/2.8 IS STM is a full-frame wide angle zoom with weather sealing, IS and a budget-friendly price ...

佳能RF 15-35mm F2.8 L IS USM广角变焦镜头，是专为佳能EOS R系列设计的“大三元”。这款镜头拥有15mm广角和恒定F2.8光圈，配备IS影像稳定器，最大相当于约5级快门速度的防抖效果。镜片采用12组16片光学设计，包括2片UD超低色镜片和3片非球面镜片，可在整个焦段下 ...

along with Power Zoom compatibility (the "Z" in the nomenclature), plus it was the first ever Canon 70-200mm f/2.8 lens to be offered in black as well as white. Continuing on from the 35mm f/1.4L ...