So the Canon RF 24-105mm f/2.8L IS USM Z sounds like a dream come true. But then the sobering reality kicks in. This lens is ...

Back in 2018, Canon announced new versions of its EF 400mm f/2.8L IS III USM and ... the older EF lens include faster RF processing power. There’s a dual ring-type ultrasonic autofocus system ...

the Canon RF 15-35mm f/2.8L IS USM lens could be the perfect travel/architecture/street companion, especially with its fast f/2.8 maximum aperture. We teamed the lens up with the full-frame 24.2MP ...

The Canon 6D is available body-only, or bundled with the EF 24-105mm f/4L IS USM "kit" lens ... and just over 1/2 EV at telephoto when we tested another sample of this lens on SLRgear.com.

(From Canon lens literature) Designed to satisfy the discriminating needs of sports and wildlife photographers, the EF 200–400mm f/4L IS USM Extender 1.4X is a high-performance super telephoto ...

rather than f/2.8 ones as with the Canon. That extra stop of speed costs. The problem with the lens hood was unfortunate but it is very unlikely to be a design fault. In all other respects ...