The Canon RF 28-70mm f/2.8 IS STM is a zoom lens designed for Canon RF mounts, offering a weather-sealed construction for durability in challenging conditions. It features a metal mount for a solid connection to the camera body and weighs 495g. The lens has a 67mm filter size, and the front element does not rotate during zooming, making it more convenient for use with polarizing filters. However, it does not include a lens hood.
The Canon RF 28-70mm f/2.8 IS STM features a 2.5x optical zoom, allowing for a focal length range from 28mm to 70mm. It also offers built-in optical image stabilization to help minimize camera shake. With a maximum angle of view of 75° and a minimum of 34°, it provides flexibility in capturing both wide and more focused compositions. Additionally, the lens offers a magnification of 0.24x, suitable for closer shots.
The Canon RF 28-70mm f/2.8 IS STM features a wide aperture of f/2.8, which is consistent across both the main camera and the maximum focal length. It is equipped with 9 aperture blades, which contribute to smoother, more circular bokeh, and the blades are rounded for an even more aesthetically pleasing blur. At the maximum focal length, the smallest aperture is also f/2.8, while the smallest aperture at the minimum focal length is f/22.
The Canon RF 28-70mm f/2.8 IS STM offers a versatile focus system with the ability to focus to infinity. It includes a focus motor for fast and precise adjustments, and supports full-time manual focus for more control. The lens also features a silent focus motor, ensuring quiet focus operation during video recording or in quiet environments. Its minimum focus distance is 0.27m, allowing for closer shots with greater detail.
