Canon RF 24-70mm f/2.8 L IS USMPoised to be the new workhorse zoom, the Canon RF 24 70mm f 2. 8 L IS USM is a versatile wide angle to portrait length lens characterized by its bright, advanced, and intuitive design. The constant f 2. 8 maximum aperture suits working in difficult lighting conditions and also enables greater control over depth of field. The optical design incorporates a series of aspherical and Ultra Low Dispersion elements, which greatly reduce a variety of