The RF 100-300MM F2.8L IS USM is Canon's first f/2.8 100-300mm lens. It combines the versatility of a zoom with the focusing speed, sharpness and optical quality of a prime lens, with a fast f/2.8 maximum aperture right across its zoom range and a 5.5-stop optical Image Stabilizer. As a flagship L-series RF lens, it incorporates new technologies and is designed to support the latest camera features including high-speed shooting and enhanced subject detection and tracking. Remarkably, it achieves all of this while being the lightest lens in its class.
So how was this advanced lens designed, what challenges did its creators have to overcome, and what technical advancements were made in producing it?
To find out, we spoke to the designers and developers behind the lens to get the inside story.