Zoom lenses are having the best moment in the world of photography. Everyone wants to get one, as it allows people to combine varied focal lengths in one lens. However, while modern zoom lenses have an internal zoom, there are zooms whose lens barrel extends out.
The latter are compact, but also cost-effective for those who can choose the former. However, unlike internal zooms, the external zoom lenses face a massive challenge: dirt, water, or dust getting stuck on the barrel. To counter such issues, it seems Canon has found a solution, which was recently published in a patent. Let's have a look. . thephoblographer.com
2025-6-13 10:00