The patent application (2024-140521) for the Canon RF 28mm f/2.8 IS STM has shown up in Japan. This is a little curious as we get to see the design criteria that Canon used, and how the theoretical lens should perform. Here is the optical formula in the patent application compared to the actual lens. As [...] Source...
read more...
Published By: Canonrumors - Thursday, 10 October, 2024
- 24 hours
- Is Canon Finally About to Do Some New SuperTelephotos?
Canonrumors (Yesterday) - This patent application (2025-159215) is a divisional patent application from a prior parent patent application, but this indicates that Canon is still legging it out and researching this. I find this interesting because it shows that Canon is thinking of novel ways to reduce costs or production time for some...