Canon RF 100-400mm F5.6-8 IS USM
The image-stabilised 100-400mm zoom lens has been a key feature of the Canon lens line-up since the late 1990s, and has played a major role in the life of the brand’s sport, wildlife and fashion photographers, as well as in that of the general practitioner. These lenses have always been good too, and from the first incarnation for the EOS EF L series have offered a maximum aperture of f/4.5-5.6 and USM autofocus. I have no idea how many the company has sold in the past 30 years, but I would wager the £2,000+ price tag it has been in the top ten of Canon EF L series sales pretty much all of that time.
With the change to the mirrorless R series a new
