Lens manufacturers have patented various zoom lenses, some offering a wide focal range and others power zooms for hybrid cameras. Canon, too, has varied patents in the works, including the RF 300-600mm f/5.

6L IS USM. Of the multiple patents, one that certainly caught everyone's attention was the 200-500mm f4L, a lens that was later allegedly shelved by the company. It now appears that the same focal length has been patented by the company again, but it offers a few distinctions. Here's a look at what you can expect. . thephoblographer.com

2025-5-31 10:00